Home / 2,615.04-3,607.20-2,265.12

Finding the Fourth Proportional to 2,615.04, 3,607.20 and 2,265.12

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Solution

The fourth proportional to 2,615.04, 3,607.20 and 2,265.12 is: 3,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.04 : 3,607.20 = 2,265.12 : x
  2. Step 2: Convert to fraction form
    2,615.04/3,607.20 = 2,265.12/x
  3. Step 3: Cross multiply
    2,615.04x = 3,607.20 × 2,265.12
  4. Step 4: Simplify right side
    2,615.04x = 8,170,740.86
  5. Step 5: Solve for x
    x = 8,170,740.86/2,615.04
  6. Step 6: Final answer
    x = 3,124.52

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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.