Home / 2,886.64-4,330.06-1,131.57

Finding the Fourth Proportional to 2,886.64, 4,330.06 and 1,131.57

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Solution

The fourth proportional to 2,886.64, 4,330.06 and 1,131.57 is: 1,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.64 : 4,330.06 = 1,131.57 : x
  2. Step 2: Convert to fraction form
    2,886.64/4,330.06 = 1,131.57/x
  3. Step 3: Cross multiply
    2,886.64x = 4,330.06 × 1,131.57
  4. Step 4: Simplify right side
    2,886.64x = 4,899,763.17
  5. Step 5: Solve for x
    x = 4,899,763.17/2,886.64
  6. Step 6: Final answer
    x = 1,697.39

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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.