Home / 3,163.08-4,740.51-1,312.08

Finding the Fourth Proportional to 3,163.08, 4,740.51 and 1,312.08

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Solution

The fourth proportional to 3,163.08, 4,740.51 and 1,312.08 is: 1,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.08 : 4,740.51 = 1,312.08 : x
  2. Step 2: Convert to fraction form
    3,163.08/4,740.51 = 1,312.08/x
  3. Step 3: Cross multiply
    3,163.08x = 4,740.51 × 1,312.08
  4. Step 4: Simplify right side
    3,163.08x = 6,219,928.36
  5. Step 5: Solve for x
    x = 6,219,928.36/3,163.08
  6. Step 6: Final answer
    x = 1,966.42

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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.