Home / 1,823.81-2,516.96-1,038.11

Finding the Fourth Proportional to 1,823.81, 2,516.96 and 1,038.11

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Solution

The fourth proportional to 1,823.81, 2,516.96 and 1,038.11 is: 1,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.81 : 2,516.96 = 1,038.11 : x
  2. Step 2: Convert to fraction form
    1,823.81/2,516.96 = 1,038.11/x
  3. Step 3: Cross multiply
    1,823.81x = 2,516.96 × 1,038.11
  4. Step 4: Simplify right side
    1,823.81x = 2,612,876.16
  5. Step 5: Solve for x
    x = 2,612,876.16/1,823.81
  6. Step 6: Final answer
    x = 1,432.65

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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.