Home / 2,820.24-4,230.18-1,506.78

Finding the Fourth Proportional to 2,820.24, 4,230.18 and 1,506.78

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Solution

The fourth proportional to 2,820.24, 4,230.18 and 1,506.78 is: 2,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.24 : 4,230.18 = 1,506.78 : x
  2. Step 2: Convert to fraction form
    2,820.24/4,230.18 = 1,506.78/x
  3. Step 3: Cross multiply
    2,820.24x = 4,230.18 × 1,506.78
  4. Step 4: Simplify right side
    2,820.24x = 6,373,950.62
  5. Step 5: Solve for x
    x = 6,373,950.62/2,820.24
  6. Step 6: Final answer
    x = 2,260.07

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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.