Home / 2,117.16-3,170.88-1,468.36

Finding the Fourth Proportional to 2,117.16, 3,170.88 and 1,468.36

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Solution

The fourth proportional to 2,117.16, 3,170.88 and 1,468.36 is: 2,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.16 : 3,170.88 = 1,468.36 : x
  2. Step 2: Convert to fraction form
    2,117.16/3,170.88 = 1,468.36/x
  3. Step 3: Cross multiply
    2,117.16x = 3,170.88 × 1,468.36
  4. Step 4: Simplify right side
    2,117.16x = 4,655,993.36
  5. Step 5: Solve for x
    x = 4,655,993.36/2,117.16
  6. Step 6: Final answer
    x = 2,199.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.