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Finding the Fourth Proportional to 3,395.70, 4,686.07 and 1,903.62

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Solution

The fourth proportional to 3,395.70, 4,686.07 and 1,903.62 is: 2,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.70 : 4,686.07 = 1,903.62 : x
  2. Step 2: Convert to fraction form
    3,395.70/4,686.07 = 1,903.62/x
  3. Step 3: Cross multiply
    3,395.70x = 4,686.07 × 1,903.62
  4. Step 4: Simplify right side
    3,395.70x = 8,920,511.54
  5. Step 5: Solve for x
    x = 8,920,511.54/3,395.70
  6. Step 6: Final answer
    x = 2,627.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.