Home / 4,120.56-5,686.10-2,548.34

Finding the Fourth Proportional to 4,120.56, 5,686.10 and 2,548.34

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Solution

The fourth proportional to 4,120.56, 5,686.10 and 2,548.34 is: 3,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.56 : 5,686.10 = 2,548.34 : x
  2. Step 2: Convert to fraction form
    4,120.56/5,686.10 = 2,548.34/x
  3. Step 3: Cross multiply
    4,120.56x = 5,686.10 × 2,548.34
  4. Step 4: Simplify right side
    4,120.56x = 14,490,116.07
  5. Step 5: Solve for x
    x = 14,490,116.07/4,120.56
  6. Step 6: Final answer
    x = 3,516.54

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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.