Home / 3,133.65-4,314.59-2,660.56

Finding the Fourth Proportional to 3,133.65, 4,314.59 and 2,660.56

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Solution

The fourth proportional to 3,133.65, 4,314.59 and 2,660.56 is: 3,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.65 : 4,314.59 = 2,660.56 : x
  2. Step 2: Convert to fraction form
    3,133.65/4,314.59 = 2,660.56/x
  3. Step 3: Cross multiply
    3,133.65x = 4,314.59 × 2,660.56
  4. Step 4: Simplify right side
    3,133.65x = 11,479,225.57
  5. Step 5: Solve for x
    x = 11,479,225.57/3,133.65
  6. Step 6: Final answer
    x = 3,663.21

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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.