Home / 2,418.66-3,339.66-1,945.03

Finding the Fourth Proportional to 2,418.66, 3,339.66 and 1,945.03

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Solution

The fourth proportional to 2,418.66, 3,339.66 and 1,945.03 is: 2,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.66 : 3,339.66 = 1,945.03 : x
  2. Step 2: Convert to fraction form
    2,418.66/3,339.66 = 1,945.03/x
  3. Step 3: Cross multiply
    2,418.66x = 3,339.66 × 1,945.03
  4. Step 4: Simplify right side
    2,418.66x = 6,495,752.10
  5. Step 5: Solve for x
    x = 6,495,752.10/2,418.66
  6. Step 6: Final answer
    x = 2,685.69

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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.