Home / 3,091.89-4,264.32-2,718.07

Finding the Fourth Proportional to 3,091.89, 4,264.32 and 2,718.07

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Solution

The fourth proportional to 3,091.89, 4,264.32 and 2,718.07 is: 3,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.89 : 4,264.32 = 2,718.07 : x
  2. Step 2: Convert to fraction form
    3,091.89/4,264.32 = 2,718.07/x
  3. Step 3: Cross multiply
    3,091.89x = 4,264.32 × 2,718.07
  4. Step 4: Simplify right side
    3,091.89x = 11,590,720.26
  5. Step 5: Solve for x
    x = 11,590,720.26/3,091.89
  6. Step 6: Final answer
    x = 3,748.75

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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.