Home / 3,054.64-4,215.39-1,657.39

Finding the Fourth Proportional to 3,054.64, 4,215.39 and 1,657.39

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Solution

The fourth proportional to 3,054.64, 4,215.39 and 1,657.39 is: 2,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.64 : 4,215.39 = 1,657.39 : x
  2. Step 2: Convert to fraction form
    3,054.64/4,215.39 = 1,657.39/x
  3. Step 3: Cross multiply
    3,054.64x = 4,215.39 × 1,657.39
  4. Step 4: Simplify right side
    3,054.64x = 6,986,545.23
  5. Step 5: Solve for x
    x = 6,986,545.23/3,054.64
  6. Step 6: Final answer
    x = 2,287.19

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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.