Home / 1,763.94-2,643.48-1,418.08

Finding the Fourth Proportional to 1,763.94, 2,643.48 and 1,418.08

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Solution

The fourth proportional to 1,763.94, 2,643.48 and 1,418.08 is: 2,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.94 : 2,643.48 = 1,418.08 : x
  2. Step 2: Convert to fraction form
    1,763.94/2,643.48 = 1,418.08/x
  3. Step 3: Cross multiply
    1,763.94x = 2,643.48 × 1,418.08
  4. Step 4: Simplify right side
    1,763.94x = 3,748,666.12
  5. Step 5: Solve for x
    x = 3,748,666.12/1,763.94
  6. Step 6: Final answer
    x = 2,125.17

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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.