Home / 1,561.02-2,342.97-1,092.66

Finding the Fourth Proportional to 1,561.02, 2,342.97 and 1,092.66

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Solution

The fourth proportional to 1,561.02, 2,342.97 and 1,092.66 is: 1,640.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561.02 : 2,342.97 = 1,092.66 : x
  2. Step 2: Convert to fraction form
    1,561.02/2,342.97 = 1,092.66/x
  3. Step 3: Cross multiply
    1,561.02x = 2,342.97 × 1,092.66
  4. Step 4: Simplify right side
    1,561.02x = 2,560,069.60
  5. Step 5: Solve for x
    x = 2,560,069.60/1,561.02
  6. Step 6: Final answer
    x = 1,640.00

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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.