Home / 1,130.18-1,693.90-582.06

Finding the Fourth Proportional to 1,130.18, 1,693.90 and 582.06

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Solution

The fourth proportional to 1,130.18, 1,693.90 and 582.06 is: 872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130.18 : 1,693.90 = 582.06 : x
  2. Step 2: Convert to fraction form
    1,130.18/1,693.90 = 582.06/x
  3. Step 3: Cross multiply
    1,130.18x = 1,693.90 × 582.06
  4. Step 4: Simplify right side
    1,130.18x = 985,952.93
  5. Step 5: Solve for x
    x = 985,952.93/1,130.18
  6. Step 6: Final answer
    x = 872.39

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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.