Home / 2,575.20-3,558.42-2,055.36

Finding the Fourth Proportional to 2,575.20, 3,558.42 and 2,055.36

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Solution

The fourth proportional to 2,575.20, 3,558.42 and 2,055.36 is: 2,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.20 : 3,558.42 = 2,055.36 : x
  2. Step 2: Convert to fraction form
    2,575.20/3,558.42 = 2,055.36/x
  3. Step 3: Cross multiply
    2,575.20x = 3,558.42 × 2,055.36
  4. Step 4: Simplify right side
    2,575.20x = 7,313,834.13
  5. Step 5: Solve for x
    x = 7,313,834.13/2,575.20
  6. Step 6: Final answer
    x = 2,840.10

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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.