Home / 1,844.16-2,545.12-1,377.60

Finding the Fourth Proportional to 1,844.16, 2,545.12 and 1,377.60

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Solution

The fourth proportional to 1,844.16, 2,545.12 and 1,377.60 is: 1,901.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.16 : 2,545.12 = 1,377.60 : x
  2. Step 2: Convert to fraction form
    1,844.16/2,545.12 = 1,377.60/x
  3. Step 3: Cross multiply
    1,844.16x = 2,545.12 × 1,377.60
  4. Step 4: Simplify right side
    1,844.16x = 3,506,157.31
  5. Step 5: Solve for x
    x = 3,506,157.31/1,844.16
  6. Step 6: Final answer
    x = 1,901.22

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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.