Home / 2,721.75-3,756.02-1,617.75

Finding the Fourth Proportional to 2,721.75, 3,756.02 and 1,617.75

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Solution

The fourth proportional to 2,721.75, 3,756.02 and 1,617.75 is: 2,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.75 : 3,756.02 = 1,617.75 : x
  2. Step 2: Convert to fraction form
    2,721.75/3,756.02 = 1,617.75/x
  3. Step 3: Cross multiply
    2,721.75x = 3,756.02 × 1,617.75
  4. Step 4: Simplify right side
    2,721.75x = 6,076,301.36
  5. Step 5: Solve for x
    x = 6,076,301.36/2,721.75
  6. Step 6: Final answer
    x = 2,232.50

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1.5x scale

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.