Home / 1,298.55-1,948.19-568.29

Finding the Fourth Proportional to 1,298.55, 1,948.19 and 568.29

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Solution

The fourth proportional to 1,298.55, 1,948.19 and 568.29 is: 852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298.55 : 1,948.19 = 568.29 : x
  2. Step 2: Convert to fraction form
    1,298.55/1,948.19 = 568.29/x
  3. Step 3: Cross multiply
    1,298.55x = 1,948.19 × 568.29
  4. Step 4: Simplify right side
    1,298.55x = 1,107,134.05
  5. Step 5: Solve for x
    x = 1,107,134.05/1,298.55
  6. Step 6: Final answer
    x = 852.59

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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.