Home / 2,838.34-3,916.65-1,579.47

Finding the Fourth Proportional to 2,838.34, 3,916.65 and 1,579.47

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Solution

The fourth proportional to 2,838.34, 3,916.65 and 1,579.47 is: 2,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.34 : 3,916.65 = 1,579.47 : x
  2. Step 2: Convert to fraction form
    2,838.34/3,916.65 = 1,579.47/x
  3. Step 3: Cross multiply
    2,838.34x = 3,916.65 × 1,579.47
  4. Step 4: Simplify right side
    2,838.34x = 6,186,222.41
  5. Step 5: Solve for x
    x = 6,186,222.41/2,838.34
  6. Step 6: Final answer
    x = 2,179.52

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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.