Home / 1,357.43-2,024.19-1,345.11

Finding the Fourth Proportional to 1,357.43, 2,024.19 and 1,345.11

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Solution

The fourth proportional to 1,357.43, 2,024.19 and 1,345.11 is: 2,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.43 : 2,024.19 = 1,345.11 : x
  2. Step 2: Convert to fraction form
    1,357.43/2,024.19 = 1,345.11/x
  3. Step 3: Cross multiply
    1,357.43x = 2,024.19 × 1,345.11
  4. Step 4: Simplify right side
    1,357.43x = 2,722,750.62
  5. Step 5: Solve for x
    x = 2,722,750.62/1,357.43
  6. Step 6: Final answer
    x = 2,005.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.