Home / 2,938.47-4,053.68-1,695.75

Finding the Fourth Proportional to 2,938.47, 4,053.68 and 1,695.75

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Solution

The fourth proportional to 2,938.47, 4,053.68 and 1,695.75 is: 2,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.47 : 4,053.68 = 1,695.75 : x
  2. Step 2: Convert to fraction form
    2,938.47/4,053.68 = 1,695.75/x
  3. Step 3: Cross multiply
    2,938.47x = 4,053.68 × 1,695.75
  4. Step 4: Simplify right side
    2,938.47x = 6,874,019.38
  5. Step 5: Solve for x
    x = 6,874,019.38/2,938.47
  6. Step 6: Final answer
    x = 2,339.32

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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.