Home / 1,712.19-2,362.89-966.12

Finding the Fourth Proportional to 1,712.19, 2,362.89 and 966.12

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Solution

The fourth proportional to 1,712.19, 2,362.89 and 966.12 is: 1,333.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.19 : 2,362.89 = 966.12 : x
  2. Step 2: Convert to fraction form
    1,712.19/2,362.89 = 966.12/x
  3. Step 3: Cross multiply
    1,712.19x = 2,362.89 × 966.12
  4. Step 4: Simplify right side
    1,712.19x = 2,282,835.29
  5. Step 5: Solve for x
    x = 2,282,835.29/1,712.19
  6. Step 6: Final answer
    x = 1,333.28

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Half scale
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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.