Home / 3,697.08-5,098.86-2,909.88

Finding the Fourth Proportional to 3,697.08, 5,098.86 and 2,909.88

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Solution

The fourth proportional to 3,697.08, 5,098.86 and 2,909.88 is: 4,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.08 : 5,098.86 = 2,909.88 : x
  2. Step 2: Convert to fraction form
    3,697.08/5,098.86 = 2,909.88/x
  3. Step 3: Cross multiply
    3,697.08x = 5,098.86 × 2,909.88
  4. Step 4: Simplify right side
    3,697.08x = 14,837,070.74
  5. Step 5: Solve for x
    x = 14,837,070.74/3,697.08
  6. Step 6: Final answer
    x = 4,013.19

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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.