Home / 1,643.79-2,267.82-1,084.53

Finding the Fourth Proportional to 1,643.79, 2,267.82 and 1,084.53

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Solution

The fourth proportional to 1,643.79, 2,267.82 and 1,084.53 is: 1,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643.79 : 2,267.82 = 1,084.53 : x
  2. Step 2: Convert to fraction form
    1,643.79/2,267.82 = 1,084.53/x
  3. Step 3: Cross multiply
    1,643.79x = 2,267.82 × 1,084.53
  4. Step 4: Simplify right side
    1,643.79x = 2,459,518.82
  5. Step 5: Solve for x
    x = 2,459,518.82/1,643.79
  6. Step 6: Final answer
    x = 1,496.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.