Home / 3,312.96-4,569.78-2,472.76

Finding the Fourth Proportional to 3,312.96, 4,569.78 and 2,472.76

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Solution

The fourth proportional to 3,312.96, 4,569.78 and 2,472.76 is: 3,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.96 : 4,569.78 = 2,472.76 : x
  2. Step 2: Convert to fraction form
    3,312.96/4,569.78 = 2,472.76/x
  3. Step 3: Cross multiply
    3,312.96x = 4,569.78 × 2,472.76
  4. Step 4: Simplify right side
    3,312.96x = 11,299,969.19
  5. Step 5: Solve for x
    x = 11,299,969.19/3,312.96
  6. Step 6: Final answer
    x = 3,410.84

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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.