Home / 1,712.30-2,362.96-966.25

Finding the Fourth Proportional to 1,712.30, 2,362.96 and 966.25

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Solution

The fourth proportional to 1,712.30, 2,362.96 and 966.25 is: 1,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.30 : 2,362.96 = 966.25 : x
  2. Step 2: Convert to fraction form
    1,712.30/2,362.96 = 966.25/x
  3. Step 3: Cross multiply
    1,712.30x = 2,362.96 × 966.25
  4. Step 4: Simplify right side
    1,712.30x = 2,283,210.10
  5. Step 5: Solve for x
    x = 2,283,210.10/1,712.30
  6. Step 6: Final answer
    x = 1,333.42

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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.