Home / 2,988.23-4,480.97-1,756.22

Finding the Fourth Proportional to 2,988.23, 4,480.97 and 1,756.22

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Solution

The fourth proportional to 2,988.23, 4,480.97 and 1,756.22 is: 2,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.23 : 4,480.97 = 1,756.22 : x
  2. Step 2: Convert to fraction form
    2,988.23/4,480.97 = 1,756.22/x
  3. Step 3: Cross multiply
    2,988.23x = 4,480.97 × 1,756.22
  4. Step 4: Simplify right side
    2,988.23x = 7,869,569.13
  5. Step 5: Solve for x
    x = 7,869,569.13/2,988.23
  6. Step 6: Final answer
    x = 2,633.52

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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.