Home / 2,986.64-4,119.48-2,427.10

Finding the Fourth Proportional to 2,986.64, 4,119.48 and 2,427.10

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Solution

The fourth proportional to 2,986.64, 4,119.48 and 2,427.10 is: 3,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.64 : 4,119.48 = 2,427.10 : x
  2. Step 2: Convert to fraction form
    2,986.64/4,119.48 = 2,427.10/x
  3. Step 3: Cross multiply
    2,986.64x = 4,119.48 × 2,427.10
  4. Step 4: Simplify right side
    2,986.64x = 9,998,389.91
  5. Step 5: Solve for x
    x = 9,998,389.91/2,986.64
  6. Step 6: Final answer
    x = 3,347.71

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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.