Home / 1,877.29-2,816.01-1,439.17

Finding the Fourth Proportional to 1,877.29, 2,816.01 and 1,439.17

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Solution

The fourth proportional to 1,877.29, 2,816.01 and 1,439.17 is: 2,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.29 : 2,816.01 = 1,439.17 : x
  2. Step 2: Convert to fraction form
    1,877.29/2,816.01 = 1,439.17/x
  3. Step 3: Cross multiply
    1,877.29x = 2,816.01 × 1,439.17
  4. Step 4: Simplify right side
    1,877.29x = 4,052,710.07
  5. Step 5: Solve for x
    x = 4,052,710.07/1,877.29
  6. Step 6: Final answer
    x = 2,158.81

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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.