Home / 2,569.66-3,546.32-1,939.08

Finding the Fourth Proportional to 2,569.66, 3,546.32 and 1,939.08

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Solution

The fourth proportional to 2,569.66, 3,546.32 and 1,939.08 is: 2,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.66 : 3,546.32 = 1,939.08 : x
  2. Step 2: Convert to fraction form
    2,569.66/3,546.32 = 1,939.08/x
  3. Step 3: Cross multiply
    2,569.66x = 3,546.32 × 1,939.08
  4. Step 4: Simplify right side
    2,569.66x = 6,876,598.19
  5. Step 5: Solve for x
    x = 6,876,598.19/2,569.66
  6. Step 6: Final answer
    x = 2,676.07

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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.