Home / 2,929.64-4,385.70-1,886.54

Finding the Fourth Proportional to 2,929.64, 4,385.70 and 1,886.54

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Solution

The fourth proportional to 2,929.64, 4,385.70 and 1,886.54 is: 2,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.64 : 4,385.70 = 1,886.54 : x
  2. Step 2: Convert to fraction form
    2,929.64/4,385.70 = 1,886.54/x
  3. Step 3: Cross multiply
    2,929.64x = 4,385.70 × 1,886.54
  4. Step 4: Simplify right side
    2,929.64x = 8,273,776.55
  5. Step 5: Solve for x
    x = 8,273,776.55/2,929.64
  6. Step 6: Final answer
    x = 2,824.17

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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.