Home / 2,681.16-4,022.90-1,038.87

Finding the Fourth Proportional to 2,681.16, 4,022.90 and 1,038.87

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Solution

The fourth proportional to 2,681.16, 4,022.90 and 1,038.87 is: 1,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.16 : 4,022.90 = 1,038.87 : x
  2. Step 2: Convert to fraction form
    2,681.16/4,022.90 = 1,038.87/x
  3. Step 3: Cross multiply
    2,681.16x = 4,022.90 × 1,038.87
  4. Step 4: Simplify right side
    2,681.16x = 4,179,270.12
  5. Step 5: Solve for x
    x = 4,179,270.12/2,681.16
  6. Step 6: Final answer
    x = 1,558.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.