Home / 2,775.60-4,152.98-1,660.92

Finding the Fourth Proportional to 2,775.60, 4,152.98 and 1,660.92

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Solution

The fourth proportional to 2,775.60, 4,152.98 and 1,660.92 is: 2,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.60 : 4,152.98 = 1,660.92 : x
  2. Step 2: Convert to fraction form
    2,775.60/4,152.98 = 1,660.92/x
  3. Step 3: Cross multiply
    2,775.60x = 4,152.98 × 1,660.92
  4. Step 4: Simplify right side
    2,775.60x = 6,897,759.24
  5. Step 5: Solve for x
    x = 6,897,759.24/2,775.60
  6. Step 6: Final answer
    x = 2,485.14

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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.