Home / 2,569.20-3,853.80-1,694.40

Finding the Fourth Proportional to 2,569.20, 3,853.80 and 1,694.40

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Solution

The fourth proportional to 2,569.20, 3,853.80 and 1,694.40 is: 2,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.20 : 3,853.80 = 1,694.40 : x
  2. Step 2: Convert to fraction form
    2,569.20/3,853.80 = 1,694.40/x
  3. Step 3: Cross multiply
    2,569.20x = 3,853.80 × 1,694.40
  4. Step 4: Simplify right side
    2,569.20x = 6,529,878.72
  5. Step 5: Solve for x
    x = 6,529,878.72/2,569.20
  6. Step 6: Final answer
    x = 2,541.60

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1.5x scale

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.