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Finding the Fourth Proportional to 3,095.38, 4,643.38 and 904.13

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Solution

The fourth proportional to 3,095.38, 4,643.38 and 904.13 is: 1,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.38 : 4,643.38 = 904.13 : x
  2. Step 2: Convert to fraction form
    3,095.38/4,643.38 = 904.13/x
  3. Step 3: Cross multiply
    3,095.38x = 4,643.38 × 904.13
  4. Step 4: Simplify right side
    3,095.38x = 4,198,193.68
  5. Step 5: Solve for x
    x = 4,198,193.68/3,095.38
  6. Step 6: Final answer
    x = 1,356.28

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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.