Home / 3,298.90-4,552.42-1,806.80

Finding the Fourth Proportional to 3,298.90, 4,552.42 and 1,806.80

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Solution

The fourth proportional to 3,298.90, 4,552.42 and 1,806.80 is: 2,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.90 : 4,552.42 = 1,806.80 : x
  2. Step 2: Convert to fraction form
    3,298.90/4,552.42 = 1,806.80/x
  3. Step 3: Cross multiply
    3,298.90x = 4,552.42 × 1,806.80
  4. Step 4: Simplify right side
    3,298.90x = 8,225,312.46
  5. Step 5: Solve for x
    x = 8,225,312.46/3,298.90
  6. Step 6: Final answer
    x = 2,493.35

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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.