Home / 3,014.75-4,160.28-1,688.48

Finding the Fourth Proportional to 3,014.75, 4,160.28 and 1,688.48

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Solution

The fourth proportional to 3,014.75, 4,160.28 and 1,688.48 is: 2,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.75 : 4,160.28 = 1,688.48 : x
  2. Step 2: Convert to fraction form
    3,014.75/4,160.28 = 1,688.48/x
  3. Step 3: Cross multiply
    3,014.75x = 4,160.28 × 1,688.48
  4. Step 4: Simplify right side
    3,014.75x = 7,024,528.77
  5. Step 5: Solve for x
    x = 7,024,528.77/3,014.75
  6. Step 6: Final answer
    x = 2,330.06

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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.