Home / 3,639.47-5,460.85-1,560.02

Finding the Fourth Proportional to 3,639.47, 5,460.85 and 1,560.02

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Solution

The fourth proportional to 3,639.47, 5,460.85 and 1,560.02 is: 2,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.47 : 5,460.85 = 1,560.02 : x
  2. Step 2: Convert to fraction form
    3,639.47/5,460.85 = 1,560.02/x
  3. Step 3: Cross multiply
    3,639.47x = 5,460.85 × 1,560.02
  4. Step 4: Simplify right side
    3,639.47x = 8,519,035.22
  5. Step 5: Solve for x
    x = 8,519,035.22/3,639.47
  6. Step 6: Final answer
    x = 2,340.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.