Home / 3,345.18-4,614.81-2,166.63

Finding the Fourth Proportional to 3,345.18, 4,614.81 and 2,166.63

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Solution

The fourth proportional to 3,345.18, 4,614.81 and 2,166.63 is: 2,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.18 : 4,614.81 = 2,166.63 : x
  2. Step 2: Convert to fraction form
    3,345.18/4,614.81 = 2,166.63/x
  3. Step 3: Cross multiply
    3,345.18x = 4,614.81 × 2,166.63
  4. Step 4: Simplify right side
    3,345.18x = 9,998,585.79
  5. Step 5: Solve for x
    x = 9,998,585.79/3,345.18
  6. Step 6: Final answer
    x = 2,988.95

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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.