Home / 2,861.10-4,291.68-1,570.74

Finding the Fourth Proportional to 2,861.10, 4,291.68 and 1,570.74

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Solution

The fourth proportional to 2,861.10, 4,291.68 and 1,570.74 is: 2,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.10 : 4,291.68 = 1,570.74 : x
  2. Step 2: Convert to fraction form
    2,861.10/4,291.68 = 1,570.74/x
  3. Step 3: Cross multiply
    2,861.10x = 4,291.68 × 1,570.74
  4. Step 4: Simplify right side
    2,861.10x = 6,741,113.44
  5. Step 5: Solve for x
    x = 6,741,113.44/2,861.10
  6. Step 6: Final answer
    x = 2,356.13

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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.