Home / 2,918.16-4,360.15-2,816.08

Finding the Fourth Proportional to 2,918.16, 4,360.15 and 2,816.08

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Solution

The fourth proportional to 2,918.16, 4,360.15 and 2,816.08 is: 4,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.16 : 4,360.15 = 2,816.08 : x
  2. Step 2: Convert to fraction form
    2,918.16/4,360.15 = 2,816.08/x
  3. Step 3: Cross multiply
    2,918.16x = 4,360.15 × 2,816.08
  4. Step 4: Simplify right side
    2,918.16x = 12,278,531.21
  5. Step 5: Solve for x
    x = 12,278,531.21/2,918.16
  6. Step 6: Final answer
    x = 4,207.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.