Home / 1,015.02-1,521.23-575.95

Finding the Fourth Proportional to 1,015.02, 1,521.23 and 575.95

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Solution

The fourth proportional to 1,015.02, 1,521.23 and 575.95 is: 863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.02 : 1,521.23 = 575.95 : x
  2. Step 2: Convert to fraction form
    1,015.02/1,521.23 = 575.95/x
  3. Step 3: Cross multiply
    1,015.02x = 1,521.23 × 575.95
  4. Step 4: Simplify right side
    1,015.02x = 876,144.81
  5. Step 5: Solve for x
    x = 876,144.81/1,015.02
  6. Step 6: Final answer
    x = 863.18

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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.