Home / 1,341.45-2,011.95-367.56

Finding the Fourth Proportional to 1,341.45, 2,011.95 and 367.56

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Solution

The fourth proportional to 1,341.45, 2,011.95 and 367.56 is: 551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.45 : 2,011.95 = 367.56 : x
  2. Step 2: Convert to fraction form
    1,341.45/2,011.95 = 367.56/x
  3. Step 3: Cross multiply
    1,341.45x = 2,011.95 × 367.56
  4. Step 4: Simplify right side
    1,341.45x = 739,512.34
  5. Step 5: Solve for x
    x = 739,512.34/1,341.45
  6. Step 6: Final answer
    x = 551.28

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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.