Home / 2,127.38-2,934.96-1,341.86

Finding the Fourth Proportional to 2,127.38, 2,934.96 and 1,341.86

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Solution

The fourth proportional to 2,127.38, 2,934.96 and 1,341.86 is: 1,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.38 : 2,934.96 = 1,341.86 : x
  2. Step 2: Convert to fraction form
    2,127.38/2,934.96 = 1,341.86/x
  3. Step 3: Cross multiply
    2,127.38x = 2,934.96 × 1,341.86
  4. Step 4: Simplify right side
    2,127.38x = 3,938,305.43
  5. Step 5: Solve for x
    x = 3,938,305.43/2,127.38
  6. Step 6: Final answer
    x = 1,851.25

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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.