Home / 1,158.60-1,738.05-573.90

Finding the Fourth Proportional to 1,158.60, 1,738.05 and 573.90

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Solution

The fourth proportional to 1,158.60, 1,738.05 and 573.90 is: 860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.60 : 1,738.05 = 573.90 : x
  2. Step 2: Convert to fraction form
    1,158.60/1,738.05 = 573.90/x
  3. Step 3: Cross multiply
    1,158.60x = 1,738.05 × 573.90
  4. Step 4: Simplify right side
    1,158.60x = 997,466.90
  5. Step 5: Solve for x
    x = 997,466.90/1,158.60
  6. Step 6: Final answer
    x = 860.92

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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.