Home / 3,638.28-4,988.07-3,572.64

Finding the Fourth Proportional to 3,638.28, 4,988.07 and 3,572.64

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Solution

The fourth proportional to 3,638.28, 4,988.07 and 3,572.64 is: 4,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.28 : 4,988.07 = 3,572.64 : x
  2. Step 2: Convert to fraction form
    3,638.28/4,988.07 = 3,572.64/x
  3. Step 3: Cross multiply
    3,638.28x = 4,988.07 × 3,572.64
  4. Step 4: Simplify right side
    3,638.28x = 17,820,578.40
  5. Step 5: Solve for x
    x = 17,820,578.40/3,638.28
  6. Step 6: Final answer
    x = 4,898.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.