Home / 1,747.32-2,411.34-961.36

Finding the Fourth Proportional to 1,747.32, 2,411.34 and 961.36

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Solution

The fourth proportional to 1,747.32, 2,411.34 and 961.36 is: 1,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.32 : 2,411.34 = 961.36 : x
  2. Step 2: Convert to fraction form
    1,747.32/2,411.34 = 961.36/x
  3. Step 3: Cross multiply
    1,747.32x = 2,411.34 × 961.36
  4. Step 4: Simplify right side
    1,747.32x = 2,318,165.82
  5. Step 5: Solve for x
    x = 2,318,165.82/1,747.32
  6. Step 6: Final answer
    x = 1,326.70

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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.