Home / 1,233.24-1,702.90-1,144.20

Finding the Fourth Proportional to 1,233.24, 1,702.90 and 1,144.20

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Solution

The fourth proportional to 1,233.24, 1,702.90 and 1,144.20 is: 1,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.24 : 1,702.90 = 1,144.20 : x
  2. Step 2: Convert to fraction form
    1,233.24/1,702.90 = 1,144.20/x
  3. Step 3: Cross multiply
    1,233.24x = 1,702.90 × 1,144.20
  4. Step 4: Simplify right side
    1,233.24x = 1,948,457.99
  5. Step 5: Solve for x
    x = 1,948,457.99/1,233.24
  6. Step 6: Final answer
    x = 1,579.95

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1.5x scale

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.