Home / 1,526.44-2,290.35-649.18

Finding the Fourth Proportional to 1,526.44, 2,290.35 and 649.18

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Solution

The fourth proportional to 1,526.44, 2,290.35 and 649.18 is: 974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.44 : 2,290.35 = 649.18 : x
  2. Step 2: Convert to fraction form
    1,526.44/2,290.35 = 649.18/x
  3. Step 3: Cross multiply
    1,526.44x = 2,290.35 × 649.18
  4. Step 4: Simplify right side
    1,526.44x = 1,486,849.41
  5. Step 5: Solve for x
    x = 1,486,849.41/1,526.44
  6. Step 6: Final answer
    x = 974.06

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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.