Home / 1,432.77-2,143.22-1,345.29

Finding the Fourth Proportional to 1,432.77, 2,143.22 and 1,345.29

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Solution

The fourth proportional to 1,432.77, 2,143.22 and 1,345.29 is: 2,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.77 : 2,143.22 = 1,345.29 : x
  2. Step 2: Convert to fraction form
    1,432.77/2,143.22 = 1,345.29/x
  3. Step 3: Cross multiply
    1,432.77x = 2,143.22 × 1,345.29
  4. Step 4: Simplify right side
    1,432.77x = 2,883,245.71
  5. Step 5: Solve for x
    x = 2,883,245.71/1,432.77
  6. Step 6: Final answer
    x = 2,012.36

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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.