Home / 3,614.21-4,987.59-2,101.23

Finding the Fourth Proportional to 3,614.21, 4,987.59 and 2,101.23

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Solution

The fourth proportional to 3,614.21, 4,987.59 and 2,101.23 is: 2,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.21 : 4,987.59 = 2,101.23 : x
  2. Step 2: Convert to fraction form
    3,614.21/4,987.59 = 2,101.23/x
  3. Step 3: Cross multiply
    3,614.21x = 4,987.59 × 2,101.23
  4. Step 4: Simplify right side
    3,614.21x = 10,480,073.74
  5. Step 5: Solve for x
    x = 10,480,073.74/3,614.21
  6. Step 6: Final answer
    x = 2,899.69

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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.