Home / 2,937.67-4,055.88-2,150.35

Finding the Fourth Proportional to 2,937.67, 4,055.88 and 2,150.35

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Solution

The fourth proportional to 2,937.67, 4,055.88 and 2,150.35 is: 2,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.67 : 4,055.88 = 2,150.35 : x
  2. Step 2: Convert to fraction form
    2,937.67/4,055.88 = 2,150.35/x
  3. Step 3: Cross multiply
    2,937.67x = 4,055.88 × 2,150.35
  4. Step 4: Simplify right side
    2,937.67x = 8,721,561.56
  5. Step 5: Solve for x
    x = 8,721,561.56/2,937.67
  6. Step 6: Final answer
    x = 2,968.87

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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.