Home / 2,190.90-3,023.45-1,196.19

Finding the Fourth Proportional to 2,190.90, 3,023.45 and 1,196.19

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Solution

The fourth proportional to 2,190.90, 3,023.45 and 1,196.19 is: 1,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.90 : 3,023.45 = 1,196.19 : x
  2. Step 2: Convert to fraction form
    2,190.90/3,023.45 = 1,196.19/x
  3. Step 3: Cross multiply
    2,190.90x = 3,023.45 × 1,196.19
  4. Step 4: Simplify right side
    2,190.90x = 3,616,614.67
  5. Step 5: Solve for x
    x = 3,616,614.67/2,190.90
  6. Step 6: Final answer
    x = 1,650.74

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,191.90, 3,024.83 and 1,197.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.