Home / 1,725.02-2,380.40-1,026.26

Finding the Fourth Proportional to 1,725.02, 2,380.40 and 1,026.26

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Solution

The fourth proportional to 1,725.02, 2,380.40 and 1,026.26 is: 1,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.02 : 2,380.40 = 1,026.26 : x
  2. Step 2: Convert to fraction form
    1,725.02/2,380.40 = 1,026.26/x
  3. Step 3: Cross multiply
    1,725.02x = 2,380.40 × 1,026.26
  4. Step 4: Simplify right side
    1,725.02x = 2,442,909.30
  5. Step 5: Solve for x
    x = 2,442,909.30/1,725.02
  6. Step 6: Final answer
    x = 1,416.16

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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.