Home / 2,916.72-4,376.36-1,529.71

Finding the Fourth Proportional to 2,916.72, 4,376.36 and 1,529.71

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Solution

The fourth proportional to 2,916.72, 4,376.36 and 1,529.71 is: 2,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.72 : 4,376.36 = 1,529.71 : x
  2. Step 2: Convert to fraction form
    2,916.72/4,376.36 = 1,529.71/x
  3. Step 3: Cross multiply
    2,916.72x = 4,376.36 × 1,529.71
  4. Step 4: Simplify right side
    2,916.72x = 6,694,561.66
  5. Step 5: Solve for x
    x = 6,694,561.66/2,916.72
  6. Step 6: Final answer
    x = 2,295.24

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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.