Home / 3,395.40-4,685.52-1,903.02

Finding the Fourth Proportional to 3,395.40, 4,685.52 and 1,903.02

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Solution

The fourth proportional to 3,395.40, 4,685.52 and 1,903.02 is: 2,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.40 : 4,685.52 = 1,903.02 : x
  2. Step 2: Convert to fraction form
    3,395.40/4,685.52 = 1,903.02/x
  3. Step 3: Cross multiply
    3,395.40x = 4,685.52 × 1,903.02
  4. Step 4: Simplify right side
    3,395.40x = 8,916,638.27
  5. Step 5: Solve for x
    x = 8,916,638.27/3,395.40
  6. Step 6: Final answer
    x = 2,626.09

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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.