Home / 2,237.82-3,088.80-1,398.02

Finding the Fourth Proportional to 2,237.82, 3,088.80 and 1,398.02

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Solution

The fourth proportional to 2,237.82, 3,088.80 and 1,398.02 is: 1,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.82 : 3,088.80 = 1,398.02 : x
  2. Step 2: Convert to fraction form
    2,237.82/3,088.80 = 1,398.02/x
  3. Step 3: Cross multiply
    2,237.82x = 3,088.80 × 1,398.02
  4. Step 4: Simplify right side
    2,237.82x = 4,318,204.18
  5. Step 5: Solve for x
    x = 4,318,204.18/2,237.82
  6. Step 6: Final answer
    x = 1,929.65

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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.