Home / 1,511.34-2,267.18-741.66

Finding the Fourth Proportional to 1,511.34, 2,267.18 and 741.66

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Solution

The fourth proportional to 1,511.34, 2,267.18 and 741.66 is: 1,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.34 : 2,267.18 = 741.66 : x
  2. Step 2: Convert to fraction form
    1,511.34/2,267.18 = 741.66/x
  3. Step 3: Cross multiply
    1,511.34x = 2,267.18 × 741.66
  4. Step 4: Simplify right side
    1,511.34x = 1,681,476.72
  5. Step 5: Solve for x
    x = 1,681,476.72/1,511.34
  6. Step 6: Final answer
    x = 1,112.57

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1.5x scale

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.