Home / 3,054.64-4,215.40-1,657.36

Finding the Fourth Proportional to 3,054.64, 4,215.40 and 1,657.36

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Solution

The fourth proportional to 3,054.64, 4,215.40 and 1,657.36 is: 2,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.64 : 4,215.40 = 1,657.36 : x
  2. Step 2: Convert to fraction form
    3,054.64/4,215.40 = 1,657.36/x
  3. Step 3: Cross multiply
    3,054.64x = 4,215.40 × 1,657.36
  4. Step 4: Simplify right side
    3,054.64x = 6,986,435.34
  5. Step 5: Solve for x
    x = 6,986,435.34/3,054.64
  6. Step 6: Final answer
    x = 2,287.16

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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.