Home / 2,400.06-3,312.09-1,391.97

Finding the Fourth Proportional to 2,400.06, 3,312.09 and 1,391.97

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Solution

The fourth proportional to 2,400.06, 3,312.09 and 1,391.97 is: 1,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.06 : 3,312.09 = 1,391.97 : x
  2. Step 2: Convert to fraction form
    2,400.06/3,312.09 = 1,391.97/x
  3. Step 3: Cross multiply
    2,400.06x = 3,312.09 × 1,391.97
  4. Step 4: Simplify right side
    2,400.06x = 4,610,323.71
  5. Step 5: Solve for x
    x = 4,610,323.71/2,400.06
  6. Step 6: Final answer
    x = 1,920.92

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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.