Home / 2,888.35-4,330.76-1,131.26

Finding the Fourth Proportional to 2,888.35, 4,330.76 and 1,131.26

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Solution

The fourth proportional to 2,888.35, 4,330.76 and 1,131.26 is: 1,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.35 : 4,330.76 = 1,131.26 : x
  2. Step 2: Convert to fraction form
    2,888.35/4,330.76 = 1,131.26/x
  3. Step 3: Cross multiply
    2,888.35x = 4,330.76 × 1,131.26
  4. Step 4: Simplify right side
    2,888.35x = 4,899,196.73
  5. Step 5: Solve for x
    x = 4,899,196.73/2,888.35
  6. Step 6: Final answer
    x = 1,696.19

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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.