Home / 3,160.34-4,356.65-2,213.15

Finding the Fourth Proportional to 3,160.34, 4,356.65 and 2,213.15

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Solution

The fourth proportional to 3,160.34, 4,356.65 and 2,213.15 is: 3,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.34 : 4,356.65 = 2,213.15 : x
  2. Step 2: Convert to fraction form
    3,160.34/4,356.65 = 2,213.15/x
  3. Step 3: Cross multiply
    3,160.34x = 4,356.65 × 2,213.15
  4. Step 4: Simplify right side
    3,160.34x = 9,641,903.70
  5. Step 5: Solve for x
    x = 9,641,903.70/3,160.34
  6. Step 6: Final answer
    x = 3,050.91

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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.