Home / 2,417.02-3,641.99-1,987.88

Finding the Fourth Proportional to 2,417.02, 3,641.99 and 1,987.88

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Solution

The fourth proportional to 2,417.02, 3,641.99 and 1,987.88 is: 2,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.02 : 3,641.99 = 1,987.88 : x
  2. Step 2: Convert to fraction form
    2,417.02/3,641.99 = 1,987.88/x
  3. Step 3: Cross multiply
    2,417.02x = 3,641.99 × 1,987.88
  4. Step 4: Simplify right side
    2,417.02x = 7,239,839.08
  5. Step 5: Solve for x
    x = 7,239,839.08/2,417.02
  6. Step 6: Final answer
    x = 2,995.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.