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Finding the Fourth Proportional to 3,501.49, 5,252.22 and 904.42

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Solution

The fourth proportional to 3,501.49, 5,252.22 and 904.42 is: 1,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.49 : 5,252.22 = 904.42 : x
  2. Step 2: Convert to fraction form
    3,501.49/5,252.22 = 904.42/x
  3. Step 3: Cross multiply
    3,501.49x = 5,252.22 × 904.42
  4. Step 4: Simplify right side
    3,501.49x = 4,750,212.81
  5. Step 5: Solve for x
    x = 4,750,212.81/3,501.49
  6. Step 6: Final answer
    x = 1,356.63

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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.