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Finding the Fourth Proportional to 2,903.32, 4,320.05 and 2,893.60

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Solution

The fourth proportional to 2,903.32, 4,320.05 and 2,893.60 is: 4,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.32 : 4,320.05 = 2,893.60 : x
  2. Step 2: Convert to fraction form
    2,903.32/4,320.05 = 2,893.60/x
  3. Step 3: Cross multiply
    2,903.32x = 4,320.05 × 2,893.60
  4. Step 4: Simplify right side
    2,903.32x = 12,500,496.68
  5. Step 5: Solve for x
    x = 12,500,496.68/2,903.32
  6. Step 6: Final answer
    x = 4,305.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.