Home / 3,159.95-4,717.62-2,415.62

Finding the Fourth Proportional to 3,159.95, 4,717.62 and 2,415.62

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Solution

The fourth proportional to 3,159.95, 4,717.62 and 2,415.62 is: 3,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.95 : 4,717.62 = 2,415.62 : x
  2. Step 2: Convert to fraction form
    3,159.95/4,717.62 = 2,415.62/x
  3. Step 3: Cross multiply
    3,159.95x = 4,717.62 × 2,415.62
  4. Step 4: Simplify right side
    3,159.95x = 11,395,989.02
  5. Step 5: Solve for x
    x = 11,395,989.02/3,159.95
  6. Step 6: Final answer
    x = 3,606.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.