Home / 3,023.51-4,172.05-1,697.21

Finding the Fourth Proportional to 3,023.51, 4,172.05 and 1,697.21

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Solution

The fourth proportional to 3,023.51, 4,172.05 and 1,697.21 is: 2,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.51 : 4,172.05 = 1,697.21 : x
  2. Step 2: Convert to fraction form
    3,023.51/4,172.05 = 1,697.21/x
  3. Step 3: Cross multiply
    3,023.51x = 4,172.05 × 1,697.21
  4. Step 4: Simplify right side
    3,023.51x = 7,080,844.98
  5. Step 5: Solve for x
    x = 7,080,844.98/3,023.51
  6. Step 6: Final answer
    x = 2,341.93

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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.