Home / 3,554.87-5,332.31-1,245.83

Finding the Fourth Proportional to 3,554.87, 5,332.31 and 1,245.83

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Solution

The fourth proportional to 3,554.87, 5,332.31 and 1,245.83 is: 1,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.87 : 5,332.31 = 1,245.83 : x
  2. Step 2: Convert to fraction form
    3,554.87/5,332.31 = 1,245.83/x
  3. Step 3: Cross multiply
    3,554.87x = 5,332.31 × 1,245.83
  4. Step 4: Simplify right side
    3,554.87x = 6,643,151.77
  5. Step 5: Solve for x
    x = 6,643,151.77/3,554.87
  6. Step 6: Final answer
    x = 1,868.75

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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.