Home / 2,475.59-3,410.26-2,120.34

Finding the Fourth Proportional to 2,475.59, 3,410.26 and 2,120.34

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Solution

The fourth proportional to 2,475.59, 3,410.26 and 2,120.34 is: 2,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.59 : 3,410.26 = 2,120.34 : x
  2. Step 2: Convert to fraction form
    2,475.59/3,410.26 = 2,120.34/x
  3. Step 3: Cross multiply
    2,475.59x = 3,410.26 × 2,120.34
  4. Step 4: Simplify right side
    2,475.59x = 7,230,918.18
  5. Step 5: Solve for x
    x = 7,230,918.18/2,475.59
  6. Step 6: Final answer
    x = 2,920.89

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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.