Home / 2,861.90-4,285.95-1,626.29

Finding the Fourth Proportional to 2,861.90, 4,285.95 and 1,626.29

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Solution

The fourth proportional to 2,861.90, 4,285.95 and 1,626.29 is: 2,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.90 : 4,285.95 = 1,626.29 : x
  2. Step 2: Convert to fraction form
    2,861.90/4,285.95 = 1,626.29/x
  3. Step 3: Cross multiply
    2,861.90x = 4,285.95 × 1,626.29
  4. Step 4: Simplify right side
    2,861.90x = 6,970,176.20
  5. Step 5: Solve for x
    x = 6,970,176.20/2,861.90
  6. Step 6: Final answer
    x = 2,435.51

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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.