Home / 1,341.31-2,011.66-367.49

Finding the Fourth Proportional to 1,341.31, 2,011.66 and 367.49

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Solution

The fourth proportional to 1,341.31, 2,011.66 and 367.49 is: 551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.31 : 2,011.66 = 367.49 : x
  2. Step 2: Convert to fraction form
    1,341.31/2,011.66 = 367.49/x
  3. Step 3: Cross multiply
    1,341.31x = 2,011.66 × 367.49
  4. Step 4: Simplify right side
    1,341.31x = 739,263.10
  5. Step 5: Solve for x
    x = 739,263.10/1,341.31
  6. Step 6: Final answer
    x = 551.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.