Home / 2,129.04-3,196.08-1,157.04

Finding the Fourth Proportional to 2,129.04, 3,196.08 and 1,157.04

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Solution

The fourth proportional to 2,129.04, 3,196.08 and 1,157.04 is: 1,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129.04 : 3,196.08 = 1,157.04 : x
  2. Step 2: Convert to fraction form
    2,129.04/3,196.08 = 1,157.04/x
  3. Step 3: Cross multiply
    2,129.04x = 3,196.08 × 1,157.04
  4. Step 4: Simplify right side
    2,129.04x = 3,697,992.40
  5. Step 5: Solve for x
    x = 3,697,992.40/2,129.04
  6. Step 6: Final answer
    x = 1,736.93

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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.