Home / 2,946.73-4,420.71-999.10

Finding the Fourth Proportional to 2,946.73, 4,420.71 and 999.10

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Solution

The fourth proportional to 2,946.73, 4,420.71 and 999.10 is: 1,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.73 : 4,420.71 = 999.10 : x
  2. Step 2: Convert to fraction form
    2,946.73/4,420.71 = 999.10/x
  3. Step 3: Cross multiply
    2,946.73x = 4,420.71 × 999.10
  4. Step 4: Simplify right side
    2,946.73x = 4,416,731.36
  5. Step 5: Solve for x
    x = 4,416,731.36/2,946.73
  6. Step 6: Final answer
    x = 1,498.86

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Similar ratio
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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.