Home / 3,378.06-5,043.50-2,915.34

Finding the Fourth Proportional to 3,378.06, 5,043.50 and 2,915.34

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Solution

The fourth proportional to 3,378.06, 5,043.50 and 2,915.34 is: 4,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.06 : 5,043.50 = 2,915.34 : x
  2. Step 2: Convert to fraction form
    3,378.06/5,043.50 = 2,915.34/x
  3. Step 3: Cross multiply
    3,378.06x = 5,043.50 × 2,915.34
  4. Step 4: Simplify right side
    3,378.06x = 14,703,502.71
  5. Step 5: Solve for x
    x = 14,703,502.71/3,378.06
  6. Step 6: Final answer
    x = 4,352.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.