Home / 1,627.80-2,437.65-1,214.70

Finding the Fourth Proportional to 1,627.80, 2,437.65 and 1,214.70

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Solution

The fourth proportional to 1,627.80, 2,437.65 and 1,214.70 is: 1,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.80 : 2,437.65 = 1,214.70 : x
  2. Step 2: Convert to fraction form
    1,627.80/2,437.65 = 1,214.70/x
  3. Step 3: Cross multiply
    1,627.80x = 2,437.65 × 1,214.70
  4. Step 4: Simplify right side
    1,627.80x = 2,961,013.46
  5. Step 5: Solve for x
    x = 2,961,013.46/1,627.80
  6. Step 6: Final answer
    x = 1,819.03

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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.