Home / 2,893.20-4,339.80-1,957.65

Finding the Fourth Proportional to 2,893.20, 4,339.80 and 1,957.65

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Solution

The fourth proportional to 2,893.20, 4,339.80 and 1,957.65 is: 2,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.20 : 4,339.80 = 1,957.65 : x
  2. Step 2: Convert to fraction form
    2,893.20/4,339.80 = 1,957.65/x
  3. Step 3: Cross multiply
    2,893.20x = 4,339.80 × 1,957.65
  4. Step 4: Simplify right side
    2,893.20x = 8,495,809.47
  5. Step 5: Solve for x
    x = 8,495,809.47/2,893.20
  6. Step 6: Final answer
    x = 2,936.48

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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.