Home / 3,612.60-4,985.96-2,617.52

Finding the Fourth Proportional to 3,612.60, 4,985.96 and 2,617.52

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Solution

The fourth proportional to 3,612.60, 4,985.96 and 2,617.52 is: 3,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.60 : 4,985.96 = 2,617.52 : x
  2. Step 2: Convert to fraction form
    3,612.60/4,985.96 = 2,617.52/x
  3. Step 3: Cross multiply
    3,612.60x = 4,985.96 × 2,617.52
  4. Step 4: Simplify right side
    3,612.60x = 13,050,812.00
  5. Step 5: Solve for x
    x = 13,050,812.00/3,612.60
  6. Step 6: Final answer
    x = 3,612.58

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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.