Home / 3,008.13-4,149.76-1,888.51

Finding the Fourth Proportional to 3,008.13, 4,149.76 and 1,888.51

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Solution

The fourth proportional to 3,008.13, 4,149.76 and 1,888.51 is: 2,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.13 : 4,149.76 = 1,888.51 : x
  2. Step 2: Convert to fraction form
    3,008.13/4,149.76 = 1,888.51/x
  3. Step 3: Cross multiply
    3,008.13x = 4,149.76 × 1,888.51
  4. Step 4: Simplify right side
    3,008.13x = 7,836,863.26
  5. Step 5: Solve for x
    x = 7,836,863.26/3,008.13
  6. Step 6: Final answer
    x = 2,605.23

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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.