Home / 3,774.28-5,666.30-2,909.16

Finding the Fourth Proportional to 3,774.28, 5,666.30 and 2,909.16

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Solution

The fourth proportional to 3,774.28, 5,666.30 and 2,909.16 is: 4,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.28 : 5,666.30 = 2,909.16 : x
  2. Step 2: Convert to fraction form
    3,774.28/5,666.30 = 2,909.16/x
  3. Step 3: Cross multiply
    3,774.28x = 5,666.30 × 2,909.16
  4. Step 4: Simplify right side
    3,774.28x = 16,484,173.31
  5. Step 5: Solve for x
    x = 16,484,173.31/3,774.28
  6. Step 6: Final answer
    x = 4,367.50

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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.