Home / 2,780.41-4,166.30-1,752.25

Finding the Fourth Proportional to 2,780.41, 4,166.30 and 1,752.25

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Solution

The fourth proportional to 2,780.41, 4,166.30 and 1,752.25 is: 2,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.41 : 4,166.30 = 1,752.25 : x
  2. Step 2: Convert to fraction form
    2,780.41/4,166.30 = 1,752.25/x
  3. Step 3: Cross multiply
    2,780.41x = 4,166.30 × 1,752.25
  4. Step 4: Simplify right side
    2,780.41x = 7,300,390.41
  5. Step 5: Solve for x
    x = 7,300,390.41/2,780.41
  6. Step 6: Final answer
    x = 2,625.65

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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.