Home / 3,015.71-4,160.30-1,953.84

Finding the Fourth Proportional to 3,015.71, 4,160.30 and 1,953.84

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Solution

The fourth proportional to 3,015.71, 4,160.30 and 1,953.84 is: 2,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.71 : 4,160.30 = 1,953.84 : x
  2. Step 2: Convert to fraction form
    3,015.71/4,160.30 = 1,953.84/x
  3. Step 3: Cross multiply
    3,015.71x = 4,160.30 × 1,953.84
  4. Step 4: Simplify right side
    3,015.71x = 8,128,542.98
  5. Step 5: Solve for x
    x = 8,128,542.98/3,015.71
  6. Step 6: Final answer
    x = 2,695.40

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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.