Home / 1,876.28-2,811.18-1,459.94

Finding the Fourth Proportional to 1,876.28, 2,811.18 and 1,459.94

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Solution

The fourth proportional to 1,876.28, 2,811.18 and 1,459.94 is: 2,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.28 : 2,811.18 = 1,459.94 : x
  2. Step 2: Convert to fraction form
    1,876.28/2,811.18 = 1,459.94/x
  3. Step 3: Cross multiply
    1,876.28x = 2,811.18 × 1,459.94
  4. Step 4: Simplify right side
    1,876.28x = 4,104,154.13
  5. Step 5: Solve for x
    x = 4,104,154.13/1,876.28
  6. Step 6: Final answer
    x = 2,187.39

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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.