Home / 2,425.62-3,639.04-1,038.28

Finding the Fourth Proportional to 2,425.62, 3,639.04 and 1,038.28

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Solution

The fourth proportional to 2,425.62, 3,639.04 and 1,038.28 is: 1,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.62 : 3,639.04 = 1,038.28 : x
  2. Step 2: Convert to fraction form
    2,425.62/3,639.04 = 1,038.28/x
  3. Step 3: Cross multiply
    2,425.62x = 3,639.04 × 1,038.28
  4. Step 4: Simplify right side
    2,425.62x = 3,778,342.45
  5. Step 5: Solve for x
    x = 3,778,342.45/2,425.62
  6. Step 6: Final answer
    x = 1,557.68

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1.5x scale

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.