Home / 1,876.17-2,815.28-1,054.68

Finding the Fourth Proportional to 1,876.17, 2,815.28 and 1,054.68

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Solution

The fourth proportional to 1,876.17, 2,815.28 and 1,054.68 is: 1,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.17 : 2,815.28 = 1,054.68 : x
  2. Step 2: Convert to fraction form
    1,876.17/2,815.28 = 1,054.68/x
  3. Step 3: Cross multiply
    1,876.17x = 2,815.28 × 1,054.68
  4. Step 4: Simplify right side
    1,876.17x = 2,969,214.24
  5. Step 5: Solve for x
    x = 2,969,214.24/1,876.17
  6. Step 6: Final answer
    x = 1,582.59

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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.