Home / 1,426.95-2,136.96-1,097.48

Finding the Fourth Proportional to 1,426.95, 2,136.96 and 1,097.48

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Solution

The fourth proportional to 1,426.95, 2,136.96 and 1,097.48 is: 1,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.95 : 2,136.96 = 1,097.48 : x
  2. Step 2: Convert to fraction form
    1,426.95/2,136.96 = 1,097.48/x
  3. Step 3: Cross multiply
    1,426.95x = 2,136.96 × 1,097.48
  4. Step 4: Simplify right side
    1,426.95x = 2,345,260.18
  5. Step 5: Solve for x
    x = 2,345,260.18/1,426.95
  6. Step 6: Final answer
    x = 1,643.55

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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.