Home / 3,070.30-4,237.91-2,655.11

Finding the Fourth Proportional to 3,070.30, 4,237.91 and 2,655.11

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Solution

The fourth proportional to 3,070.30, 4,237.91 and 2,655.11 is: 3,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.30 : 4,237.91 = 2,655.11 : x
  2. Step 2: Convert to fraction form
    3,070.30/4,237.91 = 2,655.11/x
  3. Step 3: Cross multiply
    3,070.30x = 4,237.91 × 2,655.11
  4. Step 4: Simplify right side
    3,070.30x = 11,252,118.56
  5. Step 5: Solve for x
    x = 11,252,118.56/3,070.30
  6. Step 6: Final answer
    x = 3,664.83

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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.