Home / 3,156.96-4,358.63-2,824.81

Finding the Fourth Proportional to 3,156.96, 4,358.63 and 2,824.81

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Solution

The fourth proportional to 3,156.96, 4,358.63 and 2,824.81 is: 3,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.96 : 4,358.63 = 2,824.81 : x
  2. Step 2: Convert to fraction form
    3,156.96/4,358.63 = 2,824.81/x
  3. Step 3: Cross multiply
    3,156.96x = 4,358.63 × 2,824.81
  4. Step 4: Simplify right side
    3,156.96x = 12,312,279.82
  5. Step 5: Solve for x
    x = 12,312,279.82/3,156.96
  6. Step 6: Final answer
    x = 3,900.05

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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.