Home / 1,486.18-2,224.95-1,054.18

Finding the Fourth Proportional to 1,486.18, 2,224.95 and 1,054.18

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Solution

The fourth proportional to 1,486.18, 2,224.95 and 1,054.18 is: 1,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.18 : 2,224.95 = 1,054.18 : x
  2. Step 2: Convert to fraction form
    1,486.18/2,224.95 = 1,054.18/x
  3. Step 3: Cross multiply
    1,486.18x = 2,224.95 × 1,054.18
  4. Step 4: Simplify right side
    1,486.18x = 2,345,497.79
  5. Step 5: Solve for x
    x = 2,345,497.79/1,486.18
  6. Step 6: Final answer
    x = 1,578.21

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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.