Home / 1,987.48-2,983.29-1,468.07

Finding the Fourth Proportional to 1,987.48, 2,983.29 and 1,468.07

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Solution

The fourth proportional to 1,987.48, 2,983.29 and 1,468.07 is: 2,203.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987.48 : 2,983.29 = 1,468.07 : x
  2. Step 2: Convert to fraction form
    1,987.48/2,983.29 = 1,468.07/x
  3. Step 3: Cross multiply
    1,987.48x = 2,983.29 × 1,468.07
  4. Step 4: Simplify right side
    1,987.48x = 4,379,656.29
  5. Step 5: Solve for x
    x = 4,379,656.29/1,987.48
  6. Step 6: Final answer
    x = 2,203.63

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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.