Home / 2,861.08-3,948.50-1,602.07

Finding the Fourth Proportional to 2,861.08, 3,948.50 and 1,602.07

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Solution

The fourth proportional to 2,861.08, 3,948.50 and 1,602.07 is: 2,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.08 : 3,948.50 = 1,602.07 : x
  2. Step 2: Convert to fraction form
    2,861.08/3,948.50 = 1,602.07/x
  3. Step 3: Cross multiply
    2,861.08x = 3,948.50 × 1,602.07
  4. Step 4: Simplify right side
    2,861.08x = 6,325,767.53
  5. Step 5: Solve for x
    x = 6,325,767.53/2,861.08
  6. Step 6: Final answer
    x = 2,210.97

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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.