Home / 1,650.73-2,277.36-942.39

Finding the Fourth Proportional to 1,650.73, 2,277.36 and 942.39

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Solution

The fourth proportional to 1,650.73, 2,277.36 and 942.39 is: 1,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.73 : 2,277.36 = 942.39 : x
  2. Step 2: Convert to fraction form
    1,650.73/2,277.36 = 942.39/x
  3. Step 3: Cross multiply
    1,650.73x = 2,277.36 × 942.39
  4. Step 4: Simplify right side
    1,650.73x = 2,146,161.29
  5. Step 5: Solve for x
    x = 2,146,161.29/1,650.73
  6. Step 6: Final answer
    x = 1,300.13

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1.5x scale

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.