Home / 2,402.23-3,315.20-1,811.74

Finding the Fourth Proportional to 2,402.23, 3,315.20 and 1,811.74

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Solution

The fourth proportional to 2,402.23, 3,315.20 and 1,811.74 is: 2,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.23 : 3,315.20 = 1,811.74 : x
  2. Step 2: Convert to fraction form
    2,402.23/3,315.20 = 1,811.74/x
  3. Step 3: Cross multiply
    2,402.23x = 3,315.20 × 1,811.74
  4. Step 4: Simplify right side
    2,402.23x = 6,006,293.93
  5. Step 5: Solve for x
    x = 6,006,293.93/2,402.23
  6. Step 6: Final answer
    x = 2,500.30

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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.