Home / 3,160.16-4,356.78-2,214.68

Finding the Fourth Proportional to 3,160.16, 4,356.78 and 2,214.68

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Solution

The fourth proportional to 3,160.16, 4,356.78 and 2,214.68 is: 3,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.16 : 4,356.78 = 2,214.68 : x
  2. Step 2: Convert to fraction form
    3,160.16/4,356.78 = 2,214.68/x
  3. Step 3: Cross multiply
    3,160.16x = 4,356.78 × 2,214.68
  4. Step 4: Simplify right side
    3,160.16x = 9,648,873.53
  5. Step 5: Solve for x
    x = 9,648,873.53/3,160.16
  6. Step 6: Final answer
    x = 3,053.29

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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.