Home / 3,117.65-4,292.53-2,644.56

Finding the Fourth Proportional to 3,117.65, 4,292.53 and 2,644.56

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Solution

The fourth proportional to 3,117.65, 4,292.53 and 2,644.56 is: 3,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.65 : 4,292.53 = 2,644.56 : x
  2. Step 2: Convert to fraction form
    3,117.65/4,292.53 = 2,644.56/x
  3. Step 3: Cross multiply
    3,117.65x = 4,292.53 × 2,644.56
  4. Step 4: Simplify right side
    3,117.65x = 11,351,846.53
  5. Step 5: Solve for x
    x = 11,351,846.53/3,117.65
  6. Step 6: Final answer
    x = 3,641.16

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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.