Home / 1,560.32-2,137.98-1,545.92

Finding the Fourth Proportional to 1,560.32, 2,137.98 and 1,545.92

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Solution

The fourth proportional to 1,560.32, 2,137.98 and 1,545.92 is: 2,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.32 : 2,137.98 = 1,545.92 : x
  2. Step 2: Convert to fraction form
    1,560.32/2,137.98 = 1,545.92/x
  3. Step 3: Cross multiply
    1,560.32x = 2,137.98 × 1,545.92
  4. Step 4: Simplify right side
    1,560.32x = 3,305,146.04
  5. Step 5: Solve for x
    x = 3,305,146.04/1,560.32
  6. Step 6: Final answer
    x = 2,118.25

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.