Home / 2,837.16-3,916.35-1,658.61

Finding the Fourth Proportional to 2,837.16, 3,916.35 and 1,658.61

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Solution

The fourth proportional to 2,837.16, 3,916.35 and 1,658.61 is: 2,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.16 : 3,916.35 = 1,658.61 : x
  2. Step 2: Convert to fraction form
    2,837.16/3,916.35 = 1,658.61/x
  3. Step 3: Cross multiply
    2,837.16x = 3,916.35 × 1,658.61
  4. Step 4: Simplify right side
    2,837.16x = 6,495,697.27
  5. Step 5: Solve for x
    x = 6,495,697.27/2,837.16
  6. Step 6: Final answer
    x = 2,289.51

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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.