Home / 1,471.65-2,029.66-1,073.31

Finding the Fourth Proportional to 1,471.65, 2,029.66 and 1,073.31

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Solution

The fourth proportional to 1,471.65, 2,029.66 and 1,073.31 is: 1,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.65 : 2,029.66 = 1,073.31 : x
  2. Step 2: Convert to fraction form
    1,471.65/2,029.66 = 1,073.31/x
  3. Step 3: Cross multiply
    1,471.65x = 2,029.66 × 1,073.31
  4. Step 4: Simplify right side
    1,471.65x = 2,178,454.37
  5. Step 5: Solve for x
    x = 2,178,454.37/1,471.65
  6. Step 6: Final answer
    x = 1,480.28

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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.