Home / 1,526.44-2,290.99-747.02

Finding the Fourth Proportional to 1,526.44, 2,290.99 and 747.02

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Solution

The fourth proportional to 1,526.44, 2,290.99 and 747.02 is: 1,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.44 : 2,290.99 = 747.02 : x
  2. Step 2: Convert to fraction form
    1,526.44/2,290.99 = 747.02/x
  3. Step 3: Cross multiply
    1,526.44x = 2,290.99 × 747.02
  4. Step 4: Simplify right side
    1,526.44x = 1,711,415.35
  5. Step 5: Solve for x
    x = 1,711,415.35/1,526.44
  6. Step 6: Final answer
    x = 1,121.18

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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.