Home / 1,873.28-2,807.80-1,141.24

Finding the Fourth Proportional to 1,873.28, 2,807.80 and 1,141.24

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Solution

The fourth proportional to 1,873.28, 2,807.80 and 1,141.24 is: 1,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.28 : 2,807.80 = 1,141.24 : x
  2. Step 2: Convert to fraction form
    1,873.28/2,807.80 = 1,141.24/x
  3. Step 3: Cross multiply
    1,873.28x = 2,807.80 × 1,141.24
  4. Step 4: Simplify right side
    1,873.28x = 3,204,373.67
  5. Step 5: Solve for x
    x = 3,204,373.67/1,873.28
  6. Step 6: Final answer
    x = 1,710.57

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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.