Home / 1,158.19-1,598.33-634.25

Finding the Fourth Proportional to 1,158.19, 1,598.33 and 634.25

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Solution

The fourth proportional to 1,158.19, 1,598.33 and 634.25 is: 875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.19 : 1,598.33 = 634.25 : x
  2. Step 2: Convert to fraction form
    1,158.19/1,598.33 = 634.25/x
  3. Step 3: Cross multiply
    1,158.19x = 1,598.33 × 634.25
  4. Step 4: Simplify right side
    1,158.19x = 1,013,746.38
  5. Step 5: Solve for x
    x = 1,013,746.38/1,158.19
  6. Step 6: Final answer
    x = 875.29

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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.