Home / 3,570.02-4,928.31-2,391.86

Finding the Fourth Proportional to 3,570.02, 4,928.31 and 2,391.86

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Solution

The fourth proportional to 3,570.02, 4,928.31 and 2,391.86 is: 3,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.02 : 4,928.31 = 2,391.86 : x
  2. Step 2: Convert to fraction form
    3,570.02/4,928.31 = 2,391.86/x
  3. Step 3: Cross multiply
    3,570.02x = 4,928.31 × 2,391.86
  4. Step 4: Simplify right side
    3,570.02x = 11,787,827.56
  5. Step 5: Solve for x
    x = 11,787,827.56/3,570.02
  6. Step 6: Final answer
    x = 3,301.89

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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.