Home / 2,147.47-2,964.88-1,675.85

Finding the Fourth Proportional to 2,147.47, 2,964.88 and 1,675.85

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Solution

The fourth proportional to 2,147.47, 2,964.88 and 1,675.85 is: 2,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.47 : 2,964.88 = 1,675.85 : x
  2. Step 2: Convert to fraction form
    2,147.47/2,964.88 = 1,675.85/x
  3. Step 3: Cross multiply
    2,147.47x = 2,964.88 × 1,675.85
  4. Step 4: Simplify right side
    2,147.47x = 4,968,694.15
  5. Step 5: Solve for x
    x = 4,968,694.15/2,147.47
  6. Step 6: Final answer
    x = 2,313.74

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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.