Home / 3,124.46-4,311.78-2,460.08

Finding the Fourth Proportional to 3,124.46, 4,311.78 and 2,460.08

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Solution

The fourth proportional to 3,124.46, 4,311.78 and 2,460.08 is: 3,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.46 : 4,311.78 = 2,460.08 : x
  2. Step 2: Convert to fraction form
    3,124.46/4,311.78 = 2,460.08/x
  3. Step 3: Cross multiply
    3,124.46x = 4,311.78 × 2,460.08
  4. Step 4: Simplify right side
    3,124.46x = 10,607,323.74
  5. Step 5: Solve for x
    x = 10,607,323.74/3,124.46
  6. Step 6: Final answer
    x = 3,394.93

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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.