Home / 2,456.18-3,390.64-1,617.33

Finding the Fourth Proportional to 2,456.18, 3,390.64 and 1,617.33

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Solution

The fourth proportional to 2,456.18, 3,390.64 and 1,617.33 is: 2,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.18 : 3,390.64 = 1,617.33 : x
  2. Step 2: Convert to fraction form
    2,456.18/3,390.64 = 1,617.33/x
  3. Step 3: Cross multiply
    2,456.18x = 3,390.64 × 1,617.33
  4. Step 4: Simplify right side
    2,456.18x = 5,483,779.75
  5. Step 5: Solve for x
    x = 5,483,779.75/2,456.18
  6. Step 6: Final answer
    x = 2,232.64

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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.