Home / 3,159.15-4,716.63-2,785.39

Finding the Fourth Proportional to 3,159.15, 4,716.63 and 2,785.39

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Solution

The fourth proportional to 3,159.15, 4,716.63 and 2,785.39 is: 4,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.15 : 4,716.63 = 2,785.39 : x
  2. Step 2: Convert to fraction form
    3,159.15/4,716.63 = 2,785.39/x
  3. Step 3: Cross multiply
    3,159.15x = 4,716.63 × 2,785.39
  4. Step 4: Simplify right side
    3,159.15x = 13,137,642.24
  5. Step 5: Solve for x
    x = 13,137,642.24/3,159.15
  6. Step 6: Final answer
    x = 4,158.60

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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.