Home / 2,208.02-3,311.79-1,283.00

Finding the Fourth Proportional to 2,208.02, 3,311.79 and 1,283.00

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Solution

The fourth proportional to 2,208.02, 3,311.79 and 1,283.00 is: 1,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.02 : 3,311.79 = 1,283.00 : x
  2. Step 2: Convert to fraction form
    2,208.02/3,311.79 = 1,283.00/x
  3. Step 3: Cross multiply
    2,208.02x = 3,311.79 × 1,283.00
  4. Step 4: Simplify right side
    2,208.02x = 4,249,010.01
  5. Step 5: Solve for x
    x = 4,249,010.01/2,208.02
  6. Step 6: Final answer
    x = 1,924.36

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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.