Home / 4,262.90-5,885.71-2,670.21

Finding the Fourth Proportional to 4,262.90, 5,885.71 and 2,670.21

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Solution

The fourth proportional to 4,262.90, 5,885.71 and 2,670.21 is: 3,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.90 : 5,885.71 = 2,670.21 : x
  2. Step 2: Convert to fraction form
    4,262.90/5,885.71 = 2,670.21/x
  3. Step 3: Cross multiply
    4,262.90x = 5,885.71 × 2,670.21
  4. Step 4: Simplify right side
    4,262.90x = 15,716,069.01
  5. Step 5: Solve for x
    x = 15,716,069.01/4,262.90
  6. Step 6: Final answer
    x = 3,686.71

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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.