Home / 3,615.57-4,987.78-2,357.71

Finding the Fourth Proportional to 3,615.57, 4,987.78 and 2,357.71

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Solution

The fourth proportional to 3,615.57, 4,987.78 and 2,357.71 is: 3,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.57 : 4,987.78 = 2,357.71 : x
  2. Step 2: Convert to fraction form
    3,615.57/4,987.78 = 2,357.71/x
  3. Step 3: Cross multiply
    3,615.57x = 4,987.78 × 2,357.71
  4. Step 4: Simplify right side
    3,615.57x = 11,759,720.42
  5. Step 5: Solve for x
    x = 11,759,720.42/3,615.57
  6. Step 6: Final answer
    x = 3,252.52

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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.