Home / 2,384.85-3,288.61-1,886.70

Finding the Fourth Proportional to 2,384.85, 3,288.61 and 1,886.70

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Solution

The fourth proportional to 2,384.85, 3,288.61 and 1,886.70 is: 2,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.85 : 3,288.61 = 1,886.70 : x
  2. Step 2: Convert to fraction form
    2,384.85/3,288.61 = 1,886.70/x
  3. Step 3: Cross multiply
    2,384.85x = 3,288.61 × 1,886.70
  4. Step 4: Simplify right side
    2,384.85x = 6,204,620.49
  5. Step 5: Solve for x
    x = 6,204,620.49/2,384.85
  6. Step 6: Final answer
    x = 2,601.68

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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.