Home / 3,328.40-4,592.95-1,930.88

Finding the Fourth Proportional to 3,328.40, 4,592.95 and 1,930.88

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Solution

The fourth proportional to 3,328.40, 4,592.95 and 1,930.88 is: 2,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.40 : 4,592.95 = 1,930.88 : x
  2. Step 2: Convert to fraction form
    3,328.40/4,592.95 = 1,930.88/x
  3. Step 3: Cross multiply
    3,328.40x = 4,592.95 × 1,930.88
  4. Step 4: Simplify right side
    3,328.40x = 8,868,435.30
  5. Step 5: Solve for x
    x = 8,868,435.30/3,328.40
  6. Step 6: Final answer
    x = 2,664.47

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1.5x scale

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.