Home / 4,237.31-6,355.97-1,770.78

Finding the Fourth Proportional to 4,237.31, 6,355.97 and 1,770.78

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Solution

The fourth proportional to 4,237.31, 6,355.97 and 1,770.78 is: 2,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.31 : 6,355.97 = 1,770.78 : x
  2. Step 2: Convert to fraction form
    4,237.31/6,355.97 = 1,770.78/x
  3. Step 3: Cross multiply
    4,237.31x = 6,355.97 × 1,770.78
  4. Step 4: Simplify right side
    4,237.31x = 11,255,024.56
  5. Step 5: Solve for x
    x = 11,255,024.56/4,237.31
  6. Step 6: Final answer
    x = 2,656.17

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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.