Home / 2,975.42-4,104.41-2,030.90

Finding the Fourth Proportional to 2,975.42, 4,104.41 and 2,030.90

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Solution

The fourth proportional to 2,975.42, 4,104.41 and 2,030.90 is: 2,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.42 : 4,104.41 = 2,030.90 : x
  2. Step 2: Convert to fraction form
    2,975.42/4,104.41 = 2,030.90/x
  3. Step 3: Cross multiply
    2,975.42x = 4,104.41 × 2,030.90
  4. Step 4: Simplify right side
    2,975.42x = 8,335,646.38
  5. Step 5: Solve for x
    x = 8,335,646.38/2,975.42
  6. Step 6: Final answer
    x = 2,801.51

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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.