Home / 1,083.18-1,621.40-588.35

Finding the Fourth Proportional to 1,083.18, 1,621.40 and 588.35

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Solution

The fourth proportional to 1,083.18, 1,621.40 and 588.35 is: 880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.18 : 1,621.40 = 588.35 : x
  2. Step 2: Convert to fraction form
    1,083.18/1,621.40 = 588.35/x
  3. Step 3: Cross multiply
    1,083.18x = 1,621.40 × 588.35
  4. Step 4: Simplify right side
    1,083.18x = 953,950.69
  5. Step 5: Solve for x
    x = 953,950.69/1,083.18
  6. Step 6: Final answer
    x = 880.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.