Home / 3,023.79-4,172.74-1,697.55

Finding the Fourth Proportional to 3,023.79, 4,172.74 and 1,697.55

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Solution

The fourth proportional to 3,023.79, 4,172.74 and 1,697.55 is: 2,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.79 : 4,172.74 = 1,697.55 : x
  2. Step 2: Convert to fraction form
    3,023.79/4,172.74 = 1,697.55/x
  3. Step 3: Cross multiply
    3,023.79x = 4,172.74 × 1,697.55
  4. Step 4: Simplify right side
    3,023.79x = 7,083,434.79
  5. Step 5: Solve for x
    x = 7,083,434.79/3,023.79
  6. Step 6: Final answer
    x = 2,342.57

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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.