Home / 2,526.32-3,787.65-1,292.69

Finding the Fourth Proportional to 2,526.32, 3,787.65 and 1,292.69

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Solution

The fourth proportional to 2,526.32, 3,787.65 and 1,292.69 is: 1,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.32 : 3,787.65 = 1,292.69 : x
  2. Step 2: Convert to fraction form
    2,526.32/3,787.65 = 1,292.69/x
  3. Step 3: Cross multiply
    2,526.32x = 3,787.65 × 1,292.69
  4. Step 4: Simplify right side
    2,526.32x = 4,896,238.34
  5. Step 5: Solve for x
    x = 4,896,238.34/2,526.32
  6. Step 6: Final answer
    x = 1,938.09

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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.