Home / 3,376.09-4,658.78-2,117.10

Finding the Fourth Proportional to 3,376.09, 4,658.78 and 2,117.10

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Solution

The fourth proportional to 3,376.09, 4,658.78 and 2,117.10 is: 2,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.09 : 4,658.78 = 2,117.10 : x
  2. Step 2: Convert to fraction form
    3,376.09/4,658.78 = 2,117.10/x
  3. Step 3: Cross multiply
    3,376.09x = 4,658.78 × 2,117.10
  4. Step 4: Simplify right side
    3,376.09x = 9,863,103.14
  5. Step 5: Solve for x
    x = 9,863,103.14/3,376.09
  6. Step 6: Final answer
    x = 2,921.46

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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.