Home / 1,341.25-2,011.87-367.35

Finding the Fourth Proportional to 1,341.25, 2,011.87 and 367.35

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Solution

The fourth proportional to 1,341.25, 2,011.87 and 367.35 is: 551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.25 : 2,011.87 = 367.35 : x
  2. Step 2: Convert to fraction form
    1,341.25/2,011.87 = 367.35/x
  3. Step 3: Cross multiply
    1,341.25x = 2,011.87 × 367.35
  4. Step 4: Simplify right side
    1,341.25x = 739,055.41
  5. Step 5: Solve for x
    x = 739,055.41/1,341.25
  6. Step 6: Final answer
    x = 551.02

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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.