Home / 2,456.10-3,386.82-1,896.66

Finding the Fourth Proportional to 2,456.10, 3,386.82 and 1,896.66

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Solution

The fourth proportional to 2,456.10, 3,386.82 and 1,896.66 is: 2,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.10 : 3,386.82 = 1,896.66 : x
  2. Step 2: Convert to fraction form
    2,456.10/3,386.82 = 1,896.66/x
  3. Step 3: Cross multiply
    2,456.10x = 3,386.82 × 1,896.66
  4. Step 4: Simplify right side
    2,456.10x = 6,423,646.02
  5. Step 5: Solve for x
    x = 6,423,646.02/2,456.10
  6. Step 6: Final answer
    x = 2,615.38

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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.