Home / 1,589.99-2,387.03-1,225.01

Finding the Fourth Proportional to 1,589.99, 2,387.03 and 1,225.01

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Solution

The fourth proportional to 1,589.99, 2,387.03 and 1,225.01 is: 1,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.99 : 2,387.03 = 1,225.01 : x
  2. Step 2: Convert to fraction form
    1,589.99/2,387.03 = 1,225.01/x
  3. Step 3: Cross multiply
    1,589.99x = 2,387.03 × 1,225.01
  4. Step 4: Simplify right side
    1,589.99x = 2,924,117.56
  5. Step 5: Solve for x
    x = 2,924,117.56/1,589.99
  6. Step 6: Final answer
    x = 1,839.08

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Double scale
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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.