Home / 3,339.57-4,607.06-2,161.02

Finding the Fourth Proportional to 3,339.57, 4,607.06 and 2,161.02

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Solution

The fourth proportional to 3,339.57, 4,607.06 and 2,161.02 is: 2,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.57 : 4,607.06 = 2,161.02 : x
  2. Step 2: Convert to fraction form
    3,339.57/4,607.06 = 2,161.02/x
  3. Step 3: Cross multiply
    3,339.57x = 4,607.06 × 2,161.02
  4. Step 4: Simplify right side
    3,339.57x = 9,955,938.00
  5. Step 5: Solve for x
    x = 9,955,938.00/3,339.57
  6. Step 6: Final answer
    x = 2,981.20

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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.