Home / 3,056.34-4,218.10-2,868.68

Finding the Fourth Proportional to 3,056.34, 4,218.10 and 2,868.68

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Solution

The fourth proportional to 3,056.34, 4,218.10 and 2,868.68 is: 3,959.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.34 : 4,218.10 = 2,868.68 : x
  2. Step 2: Convert to fraction form
    3,056.34/4,218.10 = 2,868.68/x
  3. Step 3: Cross multiply
    3,056.34x = 4,218.10 × 2,868.68
  4. Step 4: Simplify right side
    3,056.34x = 12,100,379.11
  5. Step 5: Solve for x
    x = 12,100,379.11/3,056.34
  6. Step 6: Final answer
    x = 3,959.11

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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.