Home / 1,875.20-2,586.48-1,641.92

Finding the Fourth Proportional to 1,875.20, 2,586.48 and 1,641.92

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Solution

The fourth proportional to 1,875.20, 2,586.48 and 1,641.92 is: 2,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.20 : 2,586.48 = 1,641.92 : x
  2. Step 2: Convert to fraction form
    1,875.20/2,586.48 = 1,641.92/x
  3. Step 3: Cross multiply
    1,875.20x = 2,586.48 × 1,641.92
  4. Step 4: Simplify right side
    1,875.20x = 4,246,793.24
  5. Step 5: Solve for x
    x = 4,246,793.24/1,875.20
  6. Step 6: Final answer
    x = 2,264.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.