Home / 1,632.32-2,252.40-1,043.20

Finding the Fourth Proportional to 1,632.32, 2,252.40 and 1,043.20

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Solution

The fourth proportional to 1,632.32, 2,252.40 and 1,043.20 is: 1,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.32 : 2,252.40 = 1,043.20 : x
  2. Step 2: Convert to fraction form
    1,632.32/2,252.40 = 1,043.20/x
  3. Step 3: Cross multiply
    1,632.32x = 2,252.40 × 1,043.20
  4. Step 4: Simplify right side
    1,632.32x = 2,349,703.68
  5. Step 5: Solve for x
    x = 2,349,703.68/1,632.32
  6. Step 6: Final answer
    x = 1,439.49

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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.