Home / 1,650.81-2,278.16-942.74

Finding the Fourth Proportional to 1,650.81, 2,278.16 and 942.74

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Solution

The fourth proportional to 1,650.81, 2,278.16 and 942.74 is: 1,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.81 : 2,278.16 = 942.74 : x
  2. Step 2: Convert to fraction form
    1,650.81/2,278.16 = 942.74/x
  3. Step 3: Cross multiply
    1,650.81x = 2,278.16 × 942.74
  4. Step 4: Simplify right side
    1,650.81x = 2,147,696.45
  5. Step 5: Solve for x
    x = 2,147,696.45/1,650.81
  6. Step 6: Final answer
    x = 1,301.00

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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.