Home / 3,124.62-4,686.93-1,585.74

Finding the Fourth Proportional to 3,124.62, 4,686.93 and 1,585.74

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Solution

The fourth proportional to 3,124.62, 4,686.93 and 1,585.74 is: 2,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.62 : 4,686.93 = 1,585.74 : x
  2. Step 2: Convert to fraction form
    3,124.62/4,686.93 = 1,585.74/x
  3. Step 3: Cross multiply
    3,124.62x = 4,686.93 × 1,585.74
  4. Step 4: Simplify right side
    3,124.62x = 7,432,252.38
  5. Step 5: Solve for x
    x = 7,432,252.38/3,124.62
  6. Step 6: Final answer
    x = 2,378.61

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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.