Home / 3,147.04-4,722.32-1,299.52

Finding the Fourth Proportional to 3,147.04, 4,722.32 and 1,299.52

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Solution

The fourth proportional to 3,147.04, 4,722.32 and 1,299.52 is: 1,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.04 : 4,722.32 = 1,299.52 : x
  2. Step 2: Convert to fraction form
    3,147.04/4,722.32 = 1,299.52/x
  3. Step 3: Cross multiply
    3,147.04x = 4,722.32 × 1,299.52
  4. Step 4: Simplify right side
    3,147.04x = 6,136,749.29
  5. Step 5: Solve for x
    x = 6,136,749.29/3,147.04
  6. Step 6: Final answer
    x = 1,950.01

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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.