Home / 1,713.09-2,364.18-966.78

Finding the Fourth Proportional to 1,713.09, 2,364.18 and 966.78

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Solution

The fourth proportional to 1,713.09, 2,364.18 and 966.78 is: 1,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.09 : 2,364.18 = 966.78 : x
  2. Step 2: Convert to fraction form
    1,713.09/2,364.18 = 966.78/x
  3. Step 3: Cross multiply
    1,713.09x = 2,364.18 × 966.78
  4. Step 4: Simplify right side
    1,713.09x = 2,285,631.67
  5. Step 5: Solve for x
    x = 2,285,631.67/1,713.09
  6. Step 6: Final answer
    x = 1,334.22

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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.