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Finding the Fourth Proportional to 3,365.70, 5,048.55 and 1,025.70

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Solution

The fourth proportional to 3,365.70, 5,048.55 and 1,025.70 is: 1,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.70 : 5,048.55 = 1,025.70 : x
  2. Step 2: Convert to fraction form
    3,365.70/5,048.55 = 1,025.70/x
  3. Step 3: Cross multiply
    3,365.70x = 5,048.55 × 1,025.70
  4. Step 4: Simplify right side
    3,365.70x = 5,178,297.74
  5. Step 5: Solve for x
    x = 5,178,297.74/3,365.70
  6. Step 6: Final answer
    x = 1,538.55

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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.