Home / 3,445.21-4,754.10-2,186.47

Finding the Fourth Proportional to 3,445.21, 4,754.10 and 2,186.47

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Solution

The fourth proportional to 3,445.21, 4,754.10 and 2,186.47 is: 3,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.21 : 4,754.10 = 2,186.47 : x
  2. Step 2: Convert to fraction form
    3,445.21/4,754.10 = 2,186.47/x
  3. Step 3: Cross multiply
    3,445.21x = 4,754.10 × 2,186.47
  4. Step 4: Simplify right side
    3,445.21x = 10,394,697.03
  5. Step 5: Solve for x
    x = 10,394,697.03/3,445.21
  6. Step 6: Final answer
    x = 3,017.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.