Home / 1,462.10-2,193.18-816.95

Finding the Fourth Proportional to 1,462.10, 2,193.18 and 816.95

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Solution

The fourth proportional to 1,462.10, 2,193.18 and 816.95 is: 1,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.10 : 2,193.18 = 816.95 : x
  2. Step 2: Convert to fraction form
    1,462.10/2,193.18 = 816.95/x
  3. Step 3: Cross multiply
    1,462.10x = 2,193.18 × 816.95
  4. Step 4: Simplify right side
    1,462.10x = 1,791,718.40
  5. Step 5: Solve for x
    x = 1,791,718.40/1,462.10
  6. Step 6: Final answer
    x = 1,225.44

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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.