Home / 1,374.16-2,061.56-400.36

Finding the Fourth Proportional to 1,374.16, 2,061.56 and 400.36

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Solution

The fourth proportional to 1,374.16, 2,061.56 and 400.36 is: 600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.16 : 2,061.56 = 400.36 : x
  2. Step 2: Convert to fraction form
    1,374.16/2,061.56 = 400.36/x
  3. Step 3: Cross multiply
    1,374.16x = 2,061.56 × 400.36
  4. Step 4: Simplify right side
    1,374.16x = 825,366.16
  5. Step 5: Solve for x
    x = 825,366.16/1,374.16
  6. Step 6: Final answer
    x = 600.63

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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.