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Finding the Fourth Proportional to 2,794.52, 3,854.88 and 1,784.32

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Solution

The fourth proportional to 2,794.52, 3,854.88 and 1,784.32 is: 2,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.52 : 3,854.88 = 1,784.32 : x
  2. Step 2: Convert to fraction form
    2,794.52/3,854.88 = 1,784.32/x
  3. Step 3: Cross multiply
    2,794.52x = 3,854.88 × 1,784.32
  4. Step 4: Simplify right side
    2,794.52x = 6,878,339.48
  5. Step 5: Solve for x
    x = 6,878,339.48/2,794.52
  6. Step 6: Final answer
    x = 2,461.37

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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.