Home / 2,023.57-3,029.28-1,438.75

Finding the Fourth Proportional to 2,023.57, 3,029.28 and 1,438.75

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Solution

The fourth proportional to 2,023.57, 3,029.28 and 1,438.75 is: 2,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.57 : 3,029.28 = 1,438.75 : x
  2. Step 2: Convert to fraction form
    2,023.57/3,029.28 = 1,438.75/x
  3. Step 3: Cross multiply
    2,023.57x = 3,029.28 × 1,438.75
  4. Step 4: Simplify right side
    2,023.57x = 4,358,376.60
  5. Step 5: Solve for x
    x = 4,358,376.60/2,023.57
  6. Step 6: Final answer
    x = 2,153.81

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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.