Home / 3,460.76-5,188.96-1,381.06

Finding the Fourth Proportional to 3,460.76, 5,188.96 and 1,381.06

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Solution

The fourth proportional to 3,460.76, 5,188.96 and 1,381.06 is: 2,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.76 : 5,188.96 = 1,381.06 : x
  2. Step 2: Convert to fraction form
    3,460.76/5,188.96 = 1,381.06/x
  3. Step 3: Cross multiply
    3,460.76x = 5,188.96 × 1,381.06
  4. Step 4: Simplify right side
    3,460.76x = 7,166,265.10
  5. Step 5: Solve for x
    x = 7,166,265.10/3,460.76
  6. Step 6: Final answer
    x = 2,070.72

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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.