Home / 2,319.62-3,201.69-1,434.92

Finding the Fourth Proportional to 2,319.62, 3,201.69 and 1,434.92

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Solution

The fourth proportional to 2,319.62, 3,201.69 and 1,434.92 is: 1,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.62 : 3,201.69 = 1,434.92 : x
  2. Step 2: Convert to fraction form
    2,319.62/3,201.69 = 1,434.92/x
  3. Step 3: Cross multiply
    2,319.62x = 3,201.69 × 1,434.92
  4. Step 4: Simplify right side
    2,319.62x = 4,594,169.01
  5. Step 5: Solve for x
    x = 4,594,169.01/2,319.62
  6. Step 6: Final answer
    x = 1,980.57

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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.