Home / 3,840.85-5,300.77-2,349.76

Finding the Fourth Proportional to 3,840.85, 5,300.77 and 2,349.76

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Solution

The fourth proportional to 3,840.85, 5,300.77 and 2,349.76 is: 3,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.85 : 5,300.77 = 2,349.76 : x
  2. Step 2: Convert to fraction form
    3,840.85/5,300.77 = 2,349.76/x
  3. Step 3: Cross multiply
    3,840.85x = 5,300.77 × 2,349.76
  4. Step 4: Simplify right side
    3,840.85x = 12,455,499.06
  5. Step 5: Solve for x
    x = 12,455,499.06/3,840.85
  6. Step 6: Final answer
    x = 3,242.91

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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.