Home / 1,125.12-1,676.31-1,070.04

Finding the Fourth Proportional to 1,125.12, 1,676.31 and 1,070.04

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Solution

The fourth proportional to 1,125.12, 1,676.31 and 1,070.04 is: 1,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.12 : 1,676.31 = 1,070.04 : x
  2. Step 2: Convert to fraction form
    1,125.12/1,676.31 = 1,070.04/x
  3. Step 3: Cross multiply
    1,125.12x = 1,676.31 × 1,070.04
  4. Step 4: Simplify right side
    1,125.12x = 1,793,718.75
  5. Step 5: Solve for x
    x = 1,793,718.75/1,125.12
  6. Step 6: Final answer
    x = 1,594.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.