Home / 3,308.72-4,565.40-2,260.40

Finding the Fourth Proportional to 3,308.72, 4,565.40 and 2,260.40

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Solution

The fourth proportional to 3,308.72, 4,565.40 and 2,260.40 is: 3,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.72 : 4,565.40 = 2,260.40 : x
  2. Step 2: Convert to fraction form
    3,308.72/4,565.40 = 2,260.40/x
  3. Step 3: Cross multiply
    3,308.72x = 4,565.40 × 2,260.40
  4. Step 4: Simplify right side
    3,308.72x = 10,319,630.16
  5. Step 5: Solve for x
    x = 10,319,630.16/3,308.72
  6. Step 6: Final answer
    x = 3,118.92

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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.