Home / 2,285.20-3,425.10-1,707.40

Finding the Fourth Proportional to 2,285.20, 3,425.10 and 1,707.40

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Solution

The fourth proportional to 2,285.20, 3,425.10 and 1,707.40 is: 2,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.20 : 3,425.10 = 1,707.40 : x
  2. Step 2: Convert to fraction form
    2,285.20/3,425.10 = 1,707.40/x
  3. Step 3: Cross multiply
    2,285.20x = 3,425.10 × 1,707.40
  4. Step 4: Simplify right side
    2,285.20x = 5,848,015.74
  5. Step 5: Solve for x
    x = 5,848,015.74/2,285.20
  6. Step 6: Final answer
    x = 2,559.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.