Home / 1,508.54-2,082.98-1,011.60

Finding the Fourth Proportional to 1,508.54, 2,082.98 and 1,011.60

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Solution

The fourth proportional to 1,508.54, 2,082.98 and 1,011.60 is: 1,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.54 : 2,082.98 = 1,011.60 : x
  2. Step 2: Convert to fraction form
    1,508.54/2,082.98 = 1,011.60/x
  3. Step 3: Cross multiply
    1,508.54x = 2,082.98 × 1,011.60
  4. Step 4: Simplify right side
    1,508.54x = 2,107,145.10
  5. Step 5: Solve for x
    x = 2,107,145.10/1,508.54
  6. Step 6: Final answer
    x = 1,396.82

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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.