Home / 3,129.03-4,693.95-1,397.25

Finding the Fourth Proportional to 3,129.03, 4,693.95 and 1,397.25

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Solution

The fourth proportional to 3,129.03, 4,693.95 and 1,397.25 is: 2,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.03 : 4,693.95 = 1,397.25 : x
  2. Step 2: Convert to fraction form
    3,129.03/4,693.95 = 1,397.25/x
  3. Step 3: Cross multiply
    3,129.03x = 4,693.95 × 1,397.25
  4. Step 4: Simplify right side
    3,129.03x = 6,558,621.64
  5. Step 5: Solve for x
    x = 6,558,621.64/3,129.03
  6. Step 6: Final answer
    x = 2,096.06

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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.