Home / 2,775.48-3,824.24-2,146.11

Finding the Fourth Proportional to 2,775.48, 3,824.24 and 2,146.11

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Solution

The fourth proportional to 2,775.48, 3,824.24 and 2,146.11 is: 2,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.48 : 3,824.24 = 2,146.11 : x
  2. Step 2: Convert to fraction form
    2,775.48/3,824.24 = 2,146.11/x
  3. Step 3: Cross multiply
    2,775.48x = 3,824.24 × 2,146.11
  4. Step 4: Simplify right side
    2,775.48x = 8,207,239.71
  5. Step 5: Solve for x
    x = 8,207,239.71/2,775.48
  6. Step 6: Final answer
    x = 2,957.05

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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.