Home / 1,731.02-2,388.84-1,032.80

Finding the Fourth Proportional to 1,731.02, 2,388.84 and 1,032.80

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Solution

The fourth proportional to 1,731.02, 2,388.84 and 1,032.80 is: 1,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.02 : 2,388.84 = 1,032.80 : x
  2. Step 2: Convert to fraction form
    1,731.02/2,388.84 = 1,032.80/x
  3. Step 3: Cross multiply
    1,731.02x = 2,388.84 × 1,032.80
  4. Step 4: Simplify right side
    1,731.02x = 2,467,193.95
  5. Step 5: Solve for x
    x = 2,467,193.95/1,731.02
  6. Step 6: Final answer
    x = 1,425.28

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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.