Home / 3,098.08-4,271.52-2,213.56

Finding the Fourth Proportional to 3,098.08, 4,271.52 and 2,213.56

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Solution

The fourth proportional to 3,098.08, 4,271.52 and 2,213.56 is: 3,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.08 : 4,271.52 = 2,213.56 : x
  2. Step 2: Convert to fraction form
    3,098.08/4,271.52 = 2,213.56/x
  3. Step 3: Cross multiply
    3,098.08x = 4,271.52 × 2,213.56
  4. Step 4: Simplify right side
    3,098.08x = 9,455,265.81
  5. Step 5: Solve for x
    x = 9,455,265.81/3,098.08
  6. Step 6: Final answer
    x = 3,051.98

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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.