Home / 3,693.04-5,089.36-2,643.28

Finding the Fourth Proportional to 3,693.04, 5,089.36 and 2,643.28

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Solution

The fourth proportional to 3,693.04, 5,089.36 and 2,643.28 is: 3,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.04 : 5,089.36 = 2,643.28 : x
  2. Step 2: Convert to fraction form
    3,693.04/5,089.36 = 2,643.28/x
  3. Step 3: Cross multiply
    3,693.04x = 5,089.36 × 2,643.28
  4. Step 4: Simplify right side
    3,693.04x = 13,452,603.50
  5. Step 5: Solve for x
    x = 13,452,603.50/3,693.04
  6. Step 6: Final answer
    x = 3,642.69

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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.