Home / 2,381.04-3,285.57-1,437.39

Finding the Fourth Proportional to 2,381.04, 3,285.57 and 1,437.39

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Solution

The fourth proportional to 2,381.04, 3,285.57 and 1,437.39 is: 1,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.04 : 3,285.57 = 1,437.39 : x
  2. Step 2: Convert to fraction form
    2,381.04/3,285.57 = 1,437.39/x
  3. Step 3: Cross multiply
    2,381.04x = 3,285.57 × 1,437.39
  4. Step 4: Simplify right side
    2,381.04x = 4,722,645.46
  5. Step 5: Solve for x
    x = 4,722,645.46/2,381.04
  6. Step 6: Final answer
    x = 1,983.44

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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.