Home / 2,759.20-3,807.68-1,500.24

Finding the Fourth Proportional to 2,759.20, 3,807.68 and 1,500.24

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Solution

The fourth proportional to 2,759.20, 3,807.68 and 1,500.24 is: 2,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.20 : 3,807.68 = 1,500.24 : x
  2. Step 2: Convert to fraction form
    2,759.20/3,807.68 = 1,500.24/x
  3. Step 3: Cross multiply
    2,759.20x = 3,807.68 × 1,500.24
  4. Step 4: Simplify right side
    2,759.20x = 5,712,433.84
  5. Step 5: Solve for x
    x = 5,712,433.84/2,759.20
  6. Step 6: Final answer
    x = 2,070.32

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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.