Home / 2,775.70-4,155.45-2,484.10

Finding the Fourth Proportional to 2,775.70, 4,155.45 and 2,484.10

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Solution

The fourth proportional to 2,775.70, 4,155.45 and 2,484.10 is: 3,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.70 : 4,155.45 = 2,484.10 : x
  2. Step 2: Convert to fraction form
    2,775.70/4,155.45 = 2,484.10/x
  3. Step 3: Cross multiply
    2,775.70x = 4,155.45 × 2,484.10
  4. Step 4: Simplify right side
    2,775.70x = 10,322,553.35
  5. Step 5: Solve for x
    x = 10,322,553.35/2,775.70
  6. Step 6: Final answer
    x = 3,718.90

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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.