Home / 4,194.23-6,291.35-1,420.16

Finding the Fourth Proportional to 4,194.23, 6,291.35 and 1,420.16

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Solution

The fourth proportional to 4,194.23, 6,291.35 and 1,420.16 is: 2,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.23 : 6,291.35 = 1,420.16 : x
  2. Step 2: Convert to fraction form
    4,194.23/6,291.35 = 1,420.16/x
  3. Step 3: Cross multiply
    4,194.23x = 6,291.35 × 1,420.16
  4. Step 4: Simplify right side
    4,194.23x = 8,934,723.62
  5. Step 5: Solve for x
    x = 8,934,723.62/4,194.23
  6. Step 6: Final answer
    x = 2,130.24

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Double scale
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Similar ratio
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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.