Home / 3,147.03-4,721.01-1,172.16

Finding the Fourth Proportional to 3,147.03, 4,721.01 and 1,172.16

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Solution

The fourth proportional to 3,147.03, 4,721.01 and 1,172.16 is: 1,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.03 : 4,721.01 = 1,172.16 : x
  2. Step 2: Convert to fraction form
    3,147.03/4,721.01 = 1,172.16/x
  3. Step 3: Cross multiply
    3,147.03x = 4,721.01 × 1,172.16
  4. Step 4: Simplify right side
    3,147.03x = 5,533,779.08
  5. Step 5: Solve for x
    x = 5,533,779.08/3,147.03
  6. Step 6: Final answer
    x = 1,758.41

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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.