Home / 2,001.02-2,997.56-1,887.21

Finding the Fourth Proportional to 2,001.02, 2,997.56 and 1,887.21

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Solution

The fourth proportional to 2,001.02, 2,997.56 and 1,887.21 is: 2,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.02 : 2,997.56 = 1,887.21 : x
  2. Step 2: Convert to fraction form
    2,001.02/2,997.56 = 1,887.21/x
  3. Step 3: Cross multiply
    2,001.02x = 2,997.56 × 1,887.21
  4. Step 4: Simplify right side
    2,001.02x = 5,657,025.21
  5. Step 5: Solve for x
    x = 5,657,025.21/2,001.02
  6. Step 6: Final answer
    x = 2,827.07

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1.5x scale

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.