Home / 3,005.16-4,146.40-1,826.56

Finding the Fourth Proportional to 3,005.16, 4,146.40 and 1,826.56

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Solution

The fourth proportional to 3,005.16, 4,146.40 and 1,826.56 is: 2,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.16 : 4,146.40 = 1,826.56 : x
  2. Step 2: Convert to fraction form
    3,005.16/4,146.40 = 1,826.56/x
  3. Step 3: Cross multiply
    3,005.16x = 4,146.40 × 1,826.56
  4. Step 4: Simplify right side
    3,005.16x = 7,573,648.38
  5. Step 5: Solve for x
    x = 7,573,648.38/3,005.16
  6. Step 6: Final answer
    x = 2,520.21

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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.