Home / 1,712.91-2,363.81-966.87

Finding the Fourth Proportional to 1,712.91, 2,363.81 and 966.87

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Solution

The fourth proportional to 1,712.91, 2,363.81 and 966.87 is: 1,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.91 : 2,363.81 = 966.87 : x
  2. Step 2: Convert to fraction form
    1,712.91/2,363.81 = 966.87/x
  3. Step 3: Cross multiply
    1,712.91x = 2,363.81 × 966.87
  4. Step 4: Simplify right side
    1,712.91x = 2,285,485.16
  5. Step 5: Solve for x
    x = 2,285,485.16/1,712.91
  6. Step 6: Final answer
    x = 1,334.27

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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.