Home / 2,259.38-3,115.95-1,629.74

Finding the Fourth Proportional to 2,259.38, 3,115.95 and 1,629.74

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Solution

The fourth proportional to 2,259.38, 3,115.95 and 1,629.74 is: 2,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.38 : 3,115.95 = 1,629.74 : x
  2. Step 2: Convert to fraction form
    2,259.38/3,115.95 = 1,629.74/x
  3. Step 3: Cross multiply
    2,259.38x = 3,115.95 × 1,629.74
  4. Step 4: Simplify right side
    2,259.38x = 5,078,188.35
  5. Step 5: Solve for x
    x = 5,078,188.35/2,259.38
  6. Step 6: Final answer
    x = 2,247.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.