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Finding the Fourth Proportional to 2,840.01, 4,250.93 and 1,520.48

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Solution

The fourth proportional to 2,840.01, 4,250.93 and 1,520.48 is: 2,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.01 : 4,250.93 = 1,520.48 : x
  2. Step 2: Convert to fraction form
    2,840.01/4,250.93 = 1,520.48/x
  3. Step 3: Cross multiply
    2,840.01x = 4,250.93 × 1,520.48
  4. Step 4: Simplify right side
    2,840.01x = 6,463,425.19
  5. Step 5: Solve for x
    x = 6,463,425.19/2,840.01
  6. Step 6: Final answer
    x = 2,275.85

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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.