Home / 1,748.59-2,621.13-1,099.78

Finding the Fourth Proportional to 1,748.59, 2,621.13 and 1,099.78

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Solution

The fourth proportional to 1,748.59, 2,621.13 and 1,099.78 is: 1,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.59 : 2,621.13 = 1,099.78 : x
  2. Step 2: Convert to fraction form
    1,748.59/2,621.13 = 1,099.78/x
  3. Step 3: Cross multiply
    1,748.59x = 2,621.13 × 1,099.78
  4. Step 4: Simplify right side
    1,748.59x = 2,882,666.35
  5. Step 5: Solve for x
    x = 2,882,666.35/1,748.59
  6. Step 6: Final answer
    x = 1,648.57

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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.