Home / 3,488.22-4,810.86-2,309.40

Finding the Fourth Proportional to 3,488.22, 4,810.86 and 2,309.40

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Solution

The fourth proportional to 3,488.22, 4,810.86 and 2,309.40 is: 3,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.22 : 4,810.86 = 2,309.40 : x
  2. Step 2: Convert to fraction form
    3,488.22/4,810.86 = 2,309.40/x
  3. Step 3: Cross multiply
    3,488.22x = 4,810.86 × 2,309.40
  4. Step 4: Simplify right side
    3,488.22x = 11,110,200.08
  5. Step 5: Solve for x
    x = 11,110,200.08/3,488.22
  6. Step 6: Final answer
    x = 3,185.06

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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.