Home / 1,348.30-1,862.40-1,102.60

Finding the Fourth Proportional to 1,348.30, 1,862.40 and 1,102.60

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Solution

The fourth proportional to 1,348.30, 1,862.40 and 1,102.60 is: 1,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.30 : 1,862.40 = 1,102.60 : x
  2. Step 2: Convert to fraction form
    1,348.30/1,862.40 = 1,102.60/x
  3. Step 3: Cross multiply
    1,348.30x = 1,862.40 × 1,102.60
  4. Step 4: Simplify right side
    1,348.30x = 2,053,482.24
  5. Step 5: Solve for x
    x = 2,053,482.24/1,348.30
  6. Step 6: Final answer
    x = 1,523.02

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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.