Home / 1,929.96-2,663.33-1,045.76

Finding the Fourth Proportional to 1,929.96, 2,663.33 and 1,045.76

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Solution

The fourth proportional to 1,929.96, 2,663.33 and 1,045.76 is: 1,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.96 : 2,663.33 = 1,045.76 : x
  2. Step 2: Convert to fraction form
    1,929.96/2,663.33 = 1,045.76/x
  3. Step 3: Cross multiply
    1,929.96x = 2,663.33 × 1,045.76
  4. Step 4: Simplify right side
    1,929.96x = 2,785,185.44
  5. Step 5: Solve for x
    x = 2,785,185.44/1,929.96
  6. Step 6: Final answer
    x = 1,443.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.