Home / 3,124.08-4,308.48-2,415.96

Finding the Fourth Proportional to 3,124.08, 4,308.48 and 2,415.96

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Solution

The fourth proportional to 3,124.08, 4,308.48 and 2,415.96 is: 3,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.08 : 4,308.48 = 2,415.96 : x
  2. Step 2: Convert to fraction form
    3,124.08/4,308.48 = 2,415.96/x
  3. Step 3: Cross multiply
    3,124.08x = 4,308.48 × 2,415.96
  4. Step 4: Simplify right side
    3,124.08x = 10,409,115.34
  5. Step 5: Solve for x
    x = 10,409,115.34/3,124.08
  6. Step 6: Final answer
    x = 3,331.90

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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.