Home / 1,844.80-2,545.70-1,005.50

Finding the Fourth Proportional to 1,844.80, 2,545.70 and 1,005.50

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Solution

The fourth proportional to 1,844.80, 2,545.70 and 1,005.50 is: 1,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.80 : 2,545.70 = 1,005.50 : x
  2. Step 2: Convert to fraction form
    1,844.80/2,545.70 = 1,005.50/x
  3. Step 3: Cross multiply
    1,844.80x = 2,545.70 × 1,005.50
  4. Step 4: Simplify right side
    1,844.80x = 2,559,702.69
  5. Step 5: Solve for x
    x = 2,559,702.69/1,844.80
  6. Step 6: Final answer
    x = 1,387.53

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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.