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Finding the Fourth Proportional to 1,659.74, 2,486.25 and 1,001.23

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Solution

The fourth proportional to 1,659.74, 2,486.25 and 1,001.23 is: 1,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.74 : 2,486.25 = 1,001.23 : x
  2. Step 2: Convert to fraction form
    1,659.74/2,486.25 = 1,001.23/x
  3. Step 3: Cross multiply
    1,659.74x = 2,486.25 × 1,001.23
  4. Step 4: Simplify right side
    1,659.74x = 2,489,301.87
  5. Step 5: Solve for x
    x = 2,489,301.87/1,659.74
  6. Step 6: Final answer
    x = 1,499.82

Related Problems

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Double scale
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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.