Home / 2,875.34-4,310.66-1,489.07

Finding the Fourth Proportional to 2,875.34, 4,310.66 and 1,489.07

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Solution

The fourth proportional to 2,875.34, 4,310.66 and 1,489.07 is: 2,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.34 : 4,310.66 = 1,489.07 : x
  2. Step 2: Convert to fraction form
    2,875.34/4,310.66 = 1,489.07/x
  3. Step 3: Cross multiply
    2,875.34x = 4,310.66 × 1,489.07
  4. Step 4: Simplify right side
    2,875.34x = 6,418,877.82
  5. Step 5: Solve for x
    x = 6,418,877.82/2,875.34
  6. Step 6: Final answer
    x = 2,232.39

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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.