Home / 1,990.02-2,746.44-1,204.08

Finding the Fourth Proportional to 1,990.02, 2,746.44 and 1,204.08

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Solution

The fourth proportional to 1,990.02, 2,746.44 and 1,204.08 is: 1,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990.02 : 2,746.44 = 1,204.08 : x
  2. Step 2: Convert to fraction form
    1,990.02/2,746.44 = 1,204.08/x
  3. Step 3: Cross multiply
    1,990.02x = 2,746.44 × 1,204.08
  4. Step 4: Simplify right side
    1,990.02x = 3,306,933.48
  5. Step 5: Solve for x
    x = 3,306,933.48/1,990.02
  6. Step 6: Final answer
    x = 1,661.76

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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.