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Finding the Fourth Proportional to 2,541, 3,508.02 and 1,918.92

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Solution

The fourth proportional to 2,541, 3,508.02 and 1,918.92 is: 2,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541 : 3,508.02 = 1,918.92 : x
  2. Step 2: Convert to fraction form
    2,541/3,508.02 = 1,918.92/x
  3. Step 3: Cross multiply
    2,541x = 3,508.02 × 1,918.92
  4. Step 4: Simplify right side
    2,541x = 6,731,609.74
  5. Step 5: Solve for x
    x = 6,731,609.74/2,541
  6. Step 6: Final answer
    x = 2,649.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.