Home / 2,400.81-3,313.50-2,007.69

Finding the Fourth Proportional to 2,400.81, 3,313.50 and 2,007.69

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Solution

The fourth proportional to 2,400.81, 3,313.50 and 2,007.69 is: 2,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.81 : 3,313.50 = 2,007.69 : x
  2. Step 2: Convert to fraction form
    2,400.81/3,313.50 = 2,007.69/x
  3. Step 3: Cross multiply
    2,400.81x = 3,313.50 × 2,007.69
  4. Step 4: Simplify right side
    2,400.81x = 6,652,480.82
  5. Step 5: Solve for x
    x = 6,652,480.82/2,400.81
  6. Step 6: Final answer
    x = 2,770.93

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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.