Home / 2,849.95-4,269.66-2,390.68

Finding the Fourth Proportional to 2,849.95, 4,269.66 and 2,390.68

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Solution

The fourth proportional to 2,849.95, 4,269.66 and 2,390.68 is: 3,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.95 : 4,269.66 = 2,390.68 : x
  2. Step 2: Convert to fraction form
    2,849.95/4,269.66 = 2,390.68/x
  3. Step 3: Cross multiply
    2,849.95x = 4,269.66 × 2,390.68
  4. Step 4: Simplify right side
    2,849.95x = 10,207,390.77
  5. Step 5: Solve for x
    x = 10,207,390.77/2,849.95
  6. Step 6: Final answer
    x = 3,581.60

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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.