Home / 2,652.48-3,979.36-1,557.76

Finding the Fourth Proportional to 2,652.48, 3,979.36 and 1,557.76

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Solution

The fourth proportional to 2,652.48, 3,979.36 and 1,557.76 is: 2,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.48 : 3,979.36 = 1,557.76 : x
  2. Step 2: Convert to fraction form
    2,652.48/3,979.36 = 1,557.76/x
  3. Step 3: Cross multiply
    2,652.48x = 3,979.36 × 1,557.76
  4. Step 4: Simplify right side
    2,652.48x = 6,198,887.83
  5. Step 5: Solve for x
    x = 6,198,887.83/2,652.48
  6. Step 6: Final answer
    x = 2,337.02

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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.