Home / 2,332.92-3,478.80-2,218.08

Finding the Fourth Proportional to 2,332.92, 3,478.80 and 2,218.08

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Solution

The fourth proportional to 2,332.92, 3,478.80 and 2,218.08 is: 3,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.92 : 3,478.80 = 2,218.08 : x
  2. Step 2: Convert to fraction form
    2,332.92/3,478.80 = 2,218.08/x
  3. Step 3: Cross multiply
    2,332.92x = 3,478.80 × 2,218.08
  4. Step 4: Simplify right side
    2,332.92x = 7,716,256.70
  5. Step 5: Solve for x
    x = 7,716,256.70/2,332.92
  6. Step 6: Final answer
    x = 3,307.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.