Home / 2,637.02-3,642.15-1,751.28

Finding the Fourth Proportional to 2,637.02, 3,642.15 and 1,751.28

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Solution

The fourth proportional to 2,637.02, 3,642.15 and 1,751.28 is: 2,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.02 : 3,642.15 = 1,751.28 : x
  2. Step 2: Convert to fraction form
    2,637.02/3,642.15 = 1,751.28/x
  3. Step 3: Cross multiply
    2,637.02x = 3,642.15 × 1,751.28
  4. Step 4: Simplify right side
    2,637.02x = 6,378,424.45
  5. Step 5: Solve for x
    x = 6,378,424.45/2,637.02
  6. Step 6: Final answer
    x = 2,418.80

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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.