Home / 1,775.12-2,660.85-1,592.87

Finding the Fourth Proportional to 1,775.12, 2,660.85 and 1,592.87

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Solution

The fourth proportional to 1,775.12, 2,660.85 and 1,592.87 is: 2,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.12 : 2,660.85 = 1,592.87 : x
  2. Step 2: Convert to fraction form
    1,775.12/2,660.85 = 1,592.87/x
  3. Step 3: Cross multiply
    1,775.12x = 2,660.85 × 1,592.87
  4. Step 4: Simplify right side
    1,775.12x = 4,238,374.84
  5. Step 5: Solve for x
    x = 4,238,374.84/1,775.12
  6. Step 6: Final answer
    x = 2,387.66

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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.