Home / 1,434.46-1,977.20-1,014.28

Finding the Fourth Proportional to 1,434.46, 1,977.20 and 1,014.28

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Solution

The fourth proportional to 1,434.46, 1,977.20 and 1,014.28 is: 1,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434.46 : 1,977.20 = 1,014.28 : x
  2. Step 2: Convert to fraction form
    1,434.46/1,977.20 = 1,014.28/x
  3. Step 3: Cross multiply
    1,434.46x = 1,977.20 × 1,014.28
  4. Step 4: Simplify right side
    1,434.46x = 2,005,434.42
  5. Step 5: Solve for x
    x = 2,005,434.42/1,434.46
  6. Step 6: Final answer
    x = 1,398.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.