Home / 3,014.73-4,160.27-1,688.55

Finding the Fourth Proportional to 3,014.73, 4,160.27 and 1,688.55

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Solution

The fourth proportional to 3,014.73, 4,160.27 and 1,688.55 is: 2,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.73 : 4,160.27 = 1,688.55 : x
  2. Step 2: Convert to fraction form
    3,014.73/4,160.27 = 1,688.55/x
  3. Step 3: Cross multiply
    3,014.73x = 4,160.27 × 1,688.55
  4. Step 4: Simplify right side
    3,014.73x = 7,024,815.47
  5. Step 5: Solve for x
    x = 7,024,815.47/3,014.73
  6. Step 6: Final answer
    x = 2,330.16

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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.