Home / 3,639.55-5,024.96-2,798.71

Finding the Fourth Proportional to 3,639.55, 5,024.96 and 2,798.71

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Solution

The fourth proportional to 3,639.55, 5,024.96 and 2,798.71 is: 3,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.55 : 5,024.96 = 2,798.71 : x
  2. Step 2: Convert to fraction form
    3,639.55/5,024.96 = 2,798.71/x
  3. Step 3: Cross multiply
    3,639.55x = 5,024.96 × 2,798.71
  4. Step 4: Simplify right side
    3,639.55x = 14,063,405.80
  5. Step 5: Solve for x
    x = 14,063,405.80/3,639.55
  6. Step 6: Final answer
    x = 3,864.05

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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.