Home / 3,615.18-4,981.95-2,565.42

Finding the Fourth Proportional to 3,615.18, 4,981.95 and 2,565.42

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Solution

The fourth proportional to 3,615.18, 4,981.95 and 2,565.42 is: 3,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.18 : 4,981.95 = 2,565.42 : x
  2. Step 2: Convert to fraction form
    3,615.18/4,981.95 = 2,565.42/x
  3. Step 3: Cross multiply
    3,615.18x = 4,981.95 × 2,565.42
  4. Step 4: Simplify right side
    3,615.18x = 12,780,794.17
  5. Step 5: Solve for x
    x = 12,780,794.17/3,615.18
  6. Step 6: Final answer
    x = 3,535.31

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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.