Home / 2,214.09-3,321.36-753.35

Finding the Fourth Proportional to 2,214.09, 3,321.36 and 753.35

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Solution

The fourth proportional to 2,214.09, 3,321.36 and 753.35 is: 1,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.09 : 3,321.36 = 753.35 : x
  2. Step 2: Convert to fraction form
    2,214.09/3,321.36 = 753.35/x
  3. Step 3: Cross multiply
    2,214.09x = 3,321.36 × 753.35
  4. Step 4: Simplify right side
    2,214.09x = 2,502,129.95
  5. Step 5: Solve for x
    x = 2,502,129.95/2,214.09
  6. Step 6: Final answer
    x = 1,130.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.