Home / 3,095.20-4,643.64-904.12

Finding the Fourth Proportional to 3,095.20, 4,643.64 and 904.12

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Solution

The fourth proportional to 3,095.20, 4,643.64 and 904.12 is: 1,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.20 : 4,643.64 = 904.12 : x
  2. Step 2: Convert to fraction form
    3,095.20/4,643.64 = 904.12/x
  3. Step 3: Cross multiply
    3,095.20x = 4,643.64 × 904.12
  4. Step 4: Simplify right side
    3,095.20x = 4,198,407.80
  5. Step 5: Solve for x
    x = 4,198,407.80/3,095.20
  6. Step 6: Final answer
    x = 1,356.43

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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.