Home / 2,972.64-4,458.96-1,933.50

Finding the Fourth Proportional to 2,972.64, 4,458.96 and 1,933.50

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Solution

The fourth proportional to 2,972.64, 4,458.96 and 1,933.50 is: 2,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.64 : 4,458.96 = 1,933.50 : x
  2. Step 2: Convert to fraction form
    2,972.64/4,458.96 = 1,933.50/x
  3. Step 3: Cross multiply
    2,972.64x = 4,458.96 × 1,933.50
  4. Step 4: Simplify right side
    2,972.64x = 8,621,399.16
  5. Step 5: Solve for x
    x = 8,621,399.16/2,972.64
  6. Step 6: Final answer
    x = 2,900.25

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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.