Home / 2,852.09-4,278.20-1,291.82

Finding the Fourth Proportional to 2,852.09, 4,278.20 and 1,291.82

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Solution

The fourth proportional to 2,852.09, 4,278.20 and 1,291.82 is: 1,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.09 : 4,278.20 = 1,291.82 : x
  2. Step 2: Convert to fraction form
    2,852.09/4,278.20 = 1,291.82/x
  3. Step 3: Cross multiply
    2,852.09x = 4,278.20 × 1,291.82
  4. Step 4: Simplify right side
    2,852.09x = 5,526,643.74
  5. Step 5: Solve for x
    x = 5,526,643.74/2,852.09
  6. Step 6: Final answer
    x = 1,937.75

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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.