Home / 3,182.79-4,392.51-1,856.58

Finding the Fourth Proportional to 3,182.79, 4,392.51 and 1,856.58

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Solution

The fourth proportional to 3,182.79, 4,392.51 and 1,856.58 is: 2,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.79 : 4,392.51 = 1,856.58 : x
  2. Step 2: Convert to fraction form
    3,182.79/4,392.51 = 1,856.58/x
  3. Step 3: Cross multiply
    3,182.79x = 4,392.51 × 1,856.58
  4. Step 4: Simplify right side
    3,182.79x = 8,155,046.22
  5. Step 5: Solve for x
    x = 8,155,046.22/3,182.79
  6. Step 6: Final answer
    x = 2,562.23

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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.