Home / 1,655.73-2,478.35-1,099.34

Finding the Fourth Proportional to 1,655.73, 2,478.35 and 1,099.34

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Solution

The fourth proportional to 1,655.73, 2,478.35 and 1,099.34 is: 1,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.73 : 2,478.35 = 1,099.34 : x
  2. Step 2: Convert to fraction form
    1,655.73/2,478.35 = 1,099.34/x
  3. Step 3: Cross multiply
    1,655.73x = 2,478.35 × 1,099.34
  4. Step 4: Simplify right side
    1,655.73x = 2,724,531.40
  5. Step 5: Solve for x
    x = 2,724,531.40/1,655.73
  6. Step 6: Final answer
    x = 1,645.52

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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.