Home / 2,902.30-4,353.45-1,806.10

Finding the Fourth Proportional to 2,902.30, 4,353.45 and 1,806.10

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Solution

The fourth proportional to 2,902.30, 4,353.45 and 1,806.10 is: 2,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.30 : 4,353.45 = 1,806.10 : x
  2. Step 2: Convert to fraction form
    2,902.30/4,353.45 = 1,806.10/x
  3. Step 3: Cross multiply
    2,902.30x = 4,353.45 × 1,806.10
  4. Step 4: Simplify right side
    2,902.30x = 7,862,766.05
  5. Step 5: Solve for x
    x = 7,862,766.05/2,902.30
  6. Step 6: Final answer
    x = 2,709.15

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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.