Home / 1,534.56-2,296.14-918.60

Finding the Fourth Proportional to 1,534.56, 2,296.14 and 918.60

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Solution

The fourth proportional to 1,534.56, 2,296.14 and 918.60 is: 1,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.56 : 2,296.14 = 918.60 : x
  2. Step 2: Convert to fraction form
    1,534.56/2,296.14 = 918.60/x
  3. Step 3: Cross multiply
    1,534.56x = 2,296.14 × 918.60
  4. Step 4: Simplify right side
    1,534.56x = 2,109,234.20
  5. Step 5: Solve for x
    x = 2,109,234.20/1,534.56
  6. Step 6: Final answer
    x = 1,374.49

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1.5x scale

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.