Home / 3,056.49-4,216.59-1,876.86

Finding the Fourth Proportional to 3,056.49, 4,216.59 and 1,876.86

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Solution

The fourth proportional to 3,056.49, 4,216.59 and 1,876.86 is: 2,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.49 : 4,216.59 = 1,876.86 : x
  2. Step 2: Convert to fraction form
    3,056.49/4,216.59 = 1,876.86/x
  3. Step 3: Cross multiply
    3,056.49x = 4,216.59 × 1,876.86
  4. Step 4: Simplify right side
    3,056.49x = 7,913,949.11
  5. Step 5: Solve for x
    x = 7,913,949.11/3,056.49
  6. Step 6: Final answer
    x = 2,589.23

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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.