Home / 3,687.13-5,088.12-2,696.59

Finding the Fourth Proportional to 3,687.13, 5,088.12 and 2,696.59

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Solution

The fourth proportional to 3,687.13, 5,088.12 and 2,696.59 is: 3,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.13 : 5,088.12 = 2,696.59 : x
  2. Step 2: Convert to fraction form
    3,687.13/5,088.12 = 2,696.59/x
  3. Step 3: Cross multiply
    3,687.13x = 5,088.12 × 2,696.59
  4. Step 4: Simplify right side
    3,687.13x = 13,720,573.51
  5. Step 5: Solve for x
    x = 13,720,573.51/3,687.13
  6. Step 6: Final answer
    x = 3,721.21

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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.