Home / 2,437.38-3,363.51-1,389.39

Finding the Fourth Proportional to 2,437.38, 3,363.51 and 1,389.39

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Solution

The fourth proportional to 2,437.38, 3,363.51 and 1,389.39 is: 1,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.38 : 3,363.51 = 1,389.39 : x
  2. Step 2: Convert to fraction form
    2,437.38/3,363.51 = 1,389.39/x
  3. Step 3: Cross multiply
    2,437.38x = 3,363.51 × 1,389.39
  4. Step 4: Simplify right side
    2,437.38x = 4,673,227.16
  5. Step 5: Solve for x
    x = 4,673,227.16/2,437.38
  6. Step 6: Final answer
    x = 1,917.32

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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.