Home / 2,861.16-4,285.98-2,277.12

Finding the Fourth Proportional to 2,861.16, 4,285.98 and 2,277.12

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Solution

The fourth proportional to 2,861.16, 4,285.98 and 2,277.12 is: 3,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.16 : 4,285.98 = 2,277.12 : x
  2. Step 2: Convert to fraction form
    2,861.16/4,285.98 = 2,277.12/x
  3. Step 3: Cross multiply
    2,861.16x = 4,285.98 × 2,277.12
  4. Step 4: Simplify right side
    2,861.16x = 9,759,690.78
  5. Step 5: Solve for x
    x = 9,759,690.78/2,861.16
  6. Step 6: Final answer
    x = 3,411.10

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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.