Home / 2,341.90-3,232.56-1,398.39

Finding the Fourth Proportional to 2,341.90, 3,232.56 and 1,398.39

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Solution

The fourth proportional to 2,341.90, 3,232.56 and 1,398.39 is: 1,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.90 : 3,232.56 = 1,398.39 : x
  2. Step 2: Convert to fraction form
    2,341.90/3,232.56 = 1,398.39/x
  3. Step 3: Cross multiply
    2,341.90x = 3,232.56 × 1,398.39
  4. Step 4: Simplify right side
    2,341.90x = 4,520,379.58
  5. Step 5: Solve for x
    x = 4,520,379.58/2,341.90
  6. Step 6: Final answer
    x = 1,930.22

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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.