Home / 1,539.97-2,307.81-1,334.03

Finding the Fourth Proportional to 1,539.97, 2,307.81 and 1,334.03

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Solution

The fourth proportional to 1,539.97, 2,307.81 and 1,334.03 is: 1,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.97 : 2,307.81 = 1,334.03 : x
  2. Step 2: Convert to fraction form
    1,539.97/2,307.81 = 1,334.03/x
  3. Step 3: Cross multiply
    1,539.97x = 2,307.81 × 1,334.03
  4. Step 4: Simplify right side
    1,539.97x = 3,078,681.24
  5. Step 5: Solve for x
    x = 3,078,681.24/1,539.97
  6. Step 6: Final answer
    x = 1,999.19

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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.