Home / 3,319.46-4,977.51-1,858.22

Finding the Fourth Proportional to 3,319.46, 4,977.51 and 1,858.22

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Solution

The fourth proportional to 3,319.46, 4,977.51 and 1,858.22 is: 2,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.46 : 4,977.51 = 1,858.22 : x
  2. Step 2: Convert to fraction form
    3,319.46/4,977.51 = 1,858.22/x
  3. Step 3: Cross multiply
    3,319.46x = 4,977.51 × 1,858.22
  4. Step 4: Simplify right side
    3,319.46x = 9,249,308.63
  5. Step 5: Solve for x
    x = 9,249,308.63/3,319.46
  6. Step 6: Final answer
    x = 2,786.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.