Home / 3,840.54-5,298.08-2,267.72

Finding the Fourth Proportional to 3,840.54, 5,298.08 and 2,267.72

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Solution

The fourth proportional to 3,840.54, 5,298.08 and 2,267.72 is: 3,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.54 : 5,298.08 = 2,267.72 : x
  2. Step 2: Convert to fraction form
    3,840.54/5,298.08 = 2,267.72/x
  3. Step 3: Cross multiply
    3,840.54x = 5,298.08 × 2,267.72
  4. Step 4: Simplify right side
    3,840.54x = 12,014,561.98
  5. Step 5: Solve for x
    x = 12,014,561.98/3,840.54
  6. Step 6: Final answer
    x = 3,128.35

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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.