Home / 2,861.19-4,292.87-1,563.57

Finding the Fourth Proportional to 2,861.19, 4,292.87 and 1,563.57

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Solution

The fourth proportional to 2,861.19, 4,292.87 and 1,563.57 is: 2,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.19 : 4,292.87 = 1,563.57 : x
  2. Step 2: Convert to fraction form
    2,861.19/4,292.87 = 1,563.57/x
  3. Step 3: Cross multiply
    2,861.19x = 4,292.87 × 1,563.57
  4. Step 4: Simplify right side
    2,861.19x = 6,712,194.93
  5. Step 5: Solve for x
    x = 6,712,194.93/2,861.19
  6. Step 6: Final answer
    x = 2,345.95

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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.