Home / 2,215.59-3,054.98-1,655.11

Finding the Fourth Proportional to 2,215.59, 3,054.98 and 1,655.11

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Solution

The fourth proportional to 2,215.59, 3,054.98 and 1,655.11 is: 2,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.59 : 3,054.98 = 1,655.11 : x
  2. Step 2: Convert to fraction form
    2,215.59/3,054.98 = 1,655.11/x
  3. Step 3: Cross multiply
    2,215.59x = 3,054.98 × 1,655.11
  4. Step 4: Simplify right side
    2,215.59x = 5,056,323.49
  5. Step 5: Solve for x
    x = 5,056,323.49/2,215.59
  6. Step 6: Final answer
    x = 2,282.16

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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.