Home / 4,289.52-5,920.40-2,521.72

Finding the Fourth Proportional to 4,289.52, 5,920.40 and 2,521.72

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Solution

The fourth proportional to 4,289.52, 5,920.40 and 2,521.72 is: 3,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.52 : 5,920.40 = 2,521.72 : x
  2. Step 2: Convert to fraction form
    4,289.52/5,920.40 = 2,521.72/x
  3. Step 3: Cross multiply
    4,289.52x = 5,920.40 × 2,521.72
  4. Step 4: Simplify right side
    4,289.52x = 14,929,591.09
  5. Step 5: Solve for x
    x = 14,929,591.09/4,289.52
  6. Step 6: Final answer
    x = 3,480.48

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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.