Home / 3,389.66-4,681.38-2,330.22

Finding the Fourth Proportional to 3,389.66, 4,681.38 and 2,330.22

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Solution

The fourth proportional to 3,389.66, 4,681.38 and 2,330.22 is: 3,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.66 : 4,681.38 = 2,330.22 : x
  2. Step 2: Convert to fraction form
    3,389.66/4,681.38 = 2,330.22/x
  3. Step 3: Cross multiply
    3,389.66x = 4,681.38 × 2,330.22
  4. Step 4: Simplify right side
    3,389.66x = 10,908,645.30
  5. Step 5: Solve for x
    x = 10,908,645.30/3,389.66
  6. Step 6: Final answer
    x = 3,218.21

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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.