Home / 4,039.90-5,575.07-2,271.51

Finding the Fourth Proportional to 4,039.90, 5,575.07 and 2,271.51

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Solution

The fourth proportional to 4,039.90, 5,575.07 and 2,271.51 is: 3,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.90 : 5,575.07 = 2,271.51 : x
  2. Step 2: Convert to fraction form
    4,039.90/5,575.07 = 2,271.51/x
  3. Step 3: Cross multiply
    4,039.90x = 5,575.07 × 2,271.51
  4. Step 4: Simplify right side
    4,039.90x = 12,663,788.02
  5. Step 5: Solve for x
    x = 12,663,788.02/4,039.90
  6. Step 6: Final answer
    x = 3,134.68

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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.