Home / 2,916.57-4,376.22-1,455.83

Finding the Fourth Proportional to 2,916.57, 4,376.22 and 1,455.83

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Solution

The fourth proportional to 2,916.57, 4,376.22 and 1,455.83 is: 2,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.57 : 4,376.22 = 1,455.83 : x
  2. Step 2: Convert to fraction form
    2,916.57/4,376.22 = 1,455.83/x
  3. Step 3: Cross multiply
    2,916.57x = 4,376.22 × 1,455.83
  4. Step 4: Simplify right side
    2,916.57x = 6,371,032.36
  5. Step 5: Solve for x
    x = 6,371,032.36/2,916.57
  6. Step 6: Final answer
    x = 2,184.43

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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.