Home / 2,617.41-3,610.78-1,672.71

Finding the Fourth Proportional to 2,617.41, 3,610.78 and 1,672.71

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Solution

The fourth proportional to 2,617.41, 3,610.78 and 1,672.71 is: 2,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.41 : 3,610.78 = 1,672.71 : x
  2. Step 2: Convert to fraction form
    2,617.41/3,610.78 = 1,672.71/x
  3. Step 3: Cross multiply
    2,617.41x = 3,610.78 × 1,672.71
  4. Step 4: Simplify right side
    2,617.41x = 6,039,787.81
  5. Step 5: Solve for x
    x = 6,039,787.81/2,617.41
  6. Step 6: Final answer
    x = 2,307.54

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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.