Home / 1,461.70-2,187.17-1,382.54

Finding the Fourth Proportional to 1,461.70, 2,187.17 and 1,382.54

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Solution

The fourth proportional to 1,461.70, 2,187.17 and 1,382.54 is: 2,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.70 : 2,187.17 = 1,382.54 : x
  2. Step 2: Convert to fraction form
    1,461.70/2,187.17 = 1,382.54/x
  3. Step 3: Cross multiply
    1,461.70x = 2,187.17 × 1,382.54
  4. Step 4: Simplify right side
    1,461.70x = 3,023,837.35
  5. Step 5: Solve for x
    x = 3,023,837.35/1,461.70
  6. Step 6: Final answer
    x = 2,068.72

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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.