Home / 3,200.40-4,802.76-2,336.76

Finding the Fourth Proportional to 3,200.40, 4,802.76 and 2,336.76

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Solution

The fourth proportional to 3,200.40, 4,802.76 and 2,336.76 is: 3,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.40 : 4,802.76 = 2,336.76 : x
  2. Step 2: Convert to fraction form
    3,200.40/4,802.76 = 2,336.76/x
  3. Step 3: Cross multiply
    3,200.40x = 4,802.76 × 2,336.76
  4. Step 4: Simplify right side
    3,200.40x = 11,222,897.46
  5. Step 5: Solve for x
    x = 11,222,897.46/3,200.40
  6. Step 6: Final answer
    x = 3,506.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.