Home / 3,023.60-4,535.40-2,148.80

Finding the Fourth Proportional to 3,023.60, 4,535.40 and 2,148.80

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Solution

The fourth proportional to 3,023.60, 4,535.40 and 2,148.80 is: 3,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.60 : 4,535.40 = 2,148.80 : x
  2. Step 2: Convert to fraction form
    3,023.60/4,535.40 = 2,148.80/x
  3. Step 3: Cross multiply
    3,023.60x = 4,535.40 × 2,148.80
  4. Step 4: Simplify right side
    3,023.60x = 9,745,667.52
  5. Step 5: Solve for x
    x = 9,745,667.52/3,023.60
  6. Step 6: Final answer
    x = 3,223.20

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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.