Home / 2,388.66-3,298.61-1,934.85

Finding the Fourth Proportional to 2,388.66, 3,298.61 and 1,934.85

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Solution

The fourth proportional to 2,388.66, 3,298.61 and 1,934.85 is: 2,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.66 : 3,298.61 = 1,934.85 : x
  2. Step 2: Convert to fraction form
    2,388.66/3,298.61 = 1,934.85/x
  3. Step 3: Cross multiply
    2,388.66x = 3,298.61 × 1,934.85
  4. Step 4: Simplify right side
    2,388.66x = 6,382,332.77
  5. Step 5: Solve for x
    x = 6,382,332.77/2,388.66
  6. Step 6: Final answer
    x = 2,671.93

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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.