Home / 2,870.06-3,959.08-1,751.26

Finding the Fourth Proportional to 2,870.06, 3,959.08 and 1,751.26

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Solution

The fourth proportional to 2,870.06, 3,959.08 and 1,751.26 is: 2,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.06 : 3,959.08 = 1,751.26 : x
  2. Step 2: Convert to fraction form
    2,870.06/3,959.08 = 1,751.26/x
  3. Step 3: Cross multiply
    2,870.06x = 3,959.08 × 1,751.26
  4. Step 4: Simplify right side
    2,870.06x = 6,933,378.44
  5. Step 5: Solve for x
    x = 6,933,378.44/2,870.06
  6. Step 6: Final answer
    x = 2,415.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.