Home / 3,507.08-4,840.98-2,181.92

Finding the Fourth Proportional to 3,507.08, 4,840.98 and 2,181.92

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Solution

The fourth proportional to 3,507.08, 4,840.98 and 2,181.92 is: 3,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.08 : 4,840.98 = 2,181.92 : x
  2. Step 2: Convert to fraction form
    3,507.08/4,840.98 = 2,181.92/x
  3. Step 3: Cross multiply
    3,507.08x = 4,840.98 × 2,181.92
  4. Step 4: Simplify right side
    3,507.08x = 10,562,631.08
  5. Step 5: Solve for x
    x = 10,562,631.08/3,507.08
  6. Step 6: Final answer
    x = 3,011.80

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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.