Home / 2,948.06-4,423.20-1,851.20

Finding the Fourth Proportional to 2,948.06, 4,423.20 and 1,851.20

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Solution

The fourth proportional to 2,948.06, 4,423.20 and 1,851.20 is: 2,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.06 : 4,423.20 = 1,851.20 : x
  2. Step 2: Convert to fraction form
    2,948.06/4,423.20 = 1,851.20/x
  3. Step 3: Cross multiply
    2,948.06x = 4,423.20 × 1,851.20
  4. Step 4: Simplify right side
    2,948.06x = 8,188,227.84
  5. Step 5: Solve for x
    x = 8,188,227.84/2,948.06
  6. Step 6: Final answer
    x = 2,777.50

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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.