Home / 3,495.80-5,235.60-2,394.20

Finding the Fourth Proportional to 3,495.80, 5,235.60 and 2,394.20

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Solution

The fourth proportional to 3,495.80, 5,235.60 and 2,394.20 is: 3,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.80 : 5,235.60 = 2,394.20 : x
  2. Step 2: Convert to fraction form
    3,495.80/5,235.60 = 2,394.20/x
  3. Step 3: Cross multiply
    3,495.80x = 5,235.60 × 2,394.20
  4. Step 4: Simplify right side
    3,495.80x = 12,535,073.52
  5. Step 5: Solve for x
    x = 12,535,073.52/3,495.80
  6. Step 6: Final answer
    x = 3,585.75

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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.