Home / 2,610.40-3,916.70-1,377.52

Finding the Fourth Proportional to 2,610.40, 3,916.70 and 1,377.52

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Solution

The fourth proportional to 2,610.40, 3,916.70 and 1,377.52 is: 2,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.40 : 3,916.70 = 1,377.52 : x
  2. Step 2: Convert to fraction form
    2,610.40/3,916.70 = 1,377.52/x
  3. Step 3: Cross multiply
    2,610.40x = 3,916.70 × 1,377.52
  4. Step 4: Simplify right side
    2,610.40x = 5,395,332.58
  5. Step 5: Solve for x
    x = 5,395,332.58/2,610.40
  6. Step 6: Final answer
    x = 2,066.86

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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.