Home / 1,660.02-2,290.95-1,099.54

Finding the Fourth Proportional to 1,660.02, 2,290.95 and 1,099.54

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Solution

The fourth proportional to 1,660.02, 2,290.95 and 1,099.54 is: 1,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.02 : 2,290.95 = 1,099.54 : x
  2. Step 2: Convert to fraction form
    1,660.02/2,290.95 = 1,099.54/x
  3. Step 3: Cross multiply
    1,660.02x = 2,290.95 × 1,099.54
  4. Step 4: Simplify right side
    1,660.02x = 2,518,991.16
  5. Step 5: Solve for x
    x = 2,518,991.16/1,660.02
  6. Step 6: Final answer
    x = 1,517.45

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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.