Home / 1,857.18-2,557.08-1,576.86

Finding the Fourth Proportional to 1,857.18, 2,557.08 and 1,576.86

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Solution

The fourth proportional to 1,857.18, 2,557.08 and 1,576.86 is: 2,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.18 : 2,557.08 = 1,576.86 : x
  2. Step 2: Convert to fraction form
    1,857.18/2,557.08 = 1,576.86/x
  3. Step 3: Cross multiply
    1,857.18x = 2,557.08 × 1,576.86
  4. Step 4: Simplify right side
    1,857.18x = 4,032,157.17
  5. Step 5: Solve for x
    x = 4,032,157.17/1,857.18
  6. Step 6: Final answer
    x = 2,171.12

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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.