Home / 3,134.12-4,701.36-1,674.32

Finding the Fourth Proportional to 3,134.12, 4,701.36 and 1,674.32

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Solution

The fourth proportional to 3,134.12, 4,701.36 and 1,674.32 is: 2,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.12 : 4,701.36 = 1,674.32 : x
  2. Step 2: Convert to fraction form
    3,134.12/4,701.36 = 1,674.32/x
  3. Step 3: Cross multiply
    3,134.12x = 4,701.36 × 1,674.32
  4. Step 4: Simplify right side
    3,134.12x = 7,871,581.08
  5. Step 5: Solve for x
    x = 7,871,581.08/3,134.12
  6. Step 6: Final answer
    x = 2,511.58

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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.