Home / 1,930.01-2,663.41-1,045.81

Finding the Fourth Proportional to 1,930.01, 2,663.41 and 1,045.81

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Solution

The fourth proportional to 1,930.01, 2,663.41 and 1,045.81 is: 1,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.01 : 2,663.41 = 1,045.81 : x
  2. Step 2: Convert to fraction form
    1,930.01/2,663.41 = 1,045.81/x
  3. Step 3: Cross multiply
    1,930.01x = 2,663.41 × 1,045.81
  4. Step 4: Simplify right side
    1,930.01x = 2,785,420.81
  5. Step 5: Solve for x
    x = 2,785,420.81/1,930.01
  6. Step 6: Final answer
    x = 1,443.22

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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.