Home / 3,506.56-4,840.08-2,179.60

Finding the Fourth Proportional to 3,506.56, 4,840.08 and 2,179.60

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Solution

The fourth proportional to 3,506.56, 4,840.08 and 2,179.60 is: 3,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.56 : 4,840.08 = 2,179.60 : x
  2. Step 2: Convert to fraction form
    3,506.56/4,840.08 = 2,179.60/x
  3. Step 3: Cross multiply
    3,506.56x = 4,840.08 × 2,179.60
  4. Step 4: Simplify right side
    3,506.56x = 10,549,438.37
  5. Step 5: Solve for x
    x = 10,549,438.37/3,506.56
  6. Step 6: Final answer
    x = 3,008.49

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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.