Home / 1,659.02-2,479.30-1,106.60

Finding the Fourth Proportional to 1,659.02, 2,479.30 and 1,106.60

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Solution

The fourth proportional to 1,659.02, 2,479.30 and 1,106.60 is: 1,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.02 : 2,479.30 = 1,106.60 : x
  2. Step 2: Convert to fraction form
    1,659.02/2,479.30 = 1,106.60/x
  3. Step 3: Cross multiply
    1,659.02x = 2,479.30 × 1,106.60
  4. Step 4: Simplify right side
    1,659.02x = 2,743,593.38
  5. Step 5: Solve for x
    x = 2,743,593.38/1,659.02
  6. Step 6: Final answer
    x = 1,653.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.