Home / 3,108.51-4,661.16-1,259.13

Finding the Fourth Proportional to 3,108.51, 4,661.16 and 1,259.13

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Solution

The fourth proportional to 3,108.51, 4,661.16 and 1,259.13 is: 1,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.51 : 4,661.16 = 1,259.13 : x
  2. Step 2: Convert to fraction form
    3,108.51/4,661.16 = 1,259.13/x
  3. Step 3: Cross multiply
    3,108.51x = 4,661.16 × 1,259.13
  4. Step 4: Simplify right side
    3,108.51x = 5,869,006.39
  5. Step 5: Solve for x
    x = 5,869,006.39/3,108.51
  6. Step 6: Final answer
    x = 1,888.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.