Home / 2,331.56-3,218.46-1,545.32

Finding the Fourth Proportional to 2,331.56, 3,218.46 and 1,545.32

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Solution

The fourth proportional to 2,331.56, 3,218.46 and 1,545.32 is: 2,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.56 : 3,218.46 = 1,545.32 : x
  2. Step 2: Convert to fraction form
    2,331.56/3,218.46 = 1,545.32/x
  3. Step 3: Cross multiply
    2,331.56x = 3,218.46 × 1,545.32
  4. Step 4: Simplify right side
    2,331.56x = 4,973,550.61
  5. Step 5: Solve for x
    x = 4,973,550.61/2,331.56
  6. Step 6: Final answer
    x = 2,133.14

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1.5x scale

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.