Home / 3,395.58-4,686.35-1,903.61

Finding the Fourth Proportional to 3,395.58, 4,686.35 and 1,903.61

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Solution

The fourth proportional to 3,395.58, 4,686.35 and 1,903.61 is: 2,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.58 : 4,686.35 = 1,903.61 : x
  2. Step 2: Convert to fraction form
    3,395.58/4,686.35 = 1,903.61/x
  3. Step 3: Cross multiply
    3,395.58x = 4,686.35 × 1,903.61
  4. Step 4: Simplify right side
    3,395.58x = 8,920,949.77
  5. Step 5: Solve for x
    x = 8,920,949.77/3,395.58
  6. Step 6: Final answer
    x = 2,627.22

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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.