Home / 2,400.24-3,311.90-1,352.30

Finding the Fourth Proportional to 2,400.24, 3,311.90 and 1,352.30

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Solution

The fourth proportional to 2,400.24, 3,311.90 and 1,352.30 is: 1,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.24 : 3,311.90 = 1,352.30 : x
  2. Step 2: Convert to fraction form
    2,400.24/3,311.90 = 1,352.30/x
  3. Step 3: Cross multiply
    2,400.24x = 3,311.90 × 1,352.30
  4. Step 4: Simplify right side
    2,400.24x = 4,478,682.37
  5. Step 5: Solve for x
    x = 4,478,682.37/2,400.24
  6. Step 6: Final answer
    x = 1,865.93

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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.