Home / 3,538.28-5,307.33-1,690.70

Finding the Fourth Proportional to 3,538.28, 5,307.33 and 1,690.70

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Solution

The fourth proportional to 3,538.28, 5,307.33 and 1,690.70 is: 2,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.28 : 5,307.33 = 1,690.70 : x
  2. Step 2: Convert to fraction form
    3,538.28/5,307.33 = 1,690.70/x
  3. Step 3: Cross multiply
    3,538.28x = 5,307.33 × 1,690.70
  4. Step 4: Simplify right side
    3,538.28x = 8,973,102.83
  5. Step 5: Solve for x
    x = 8,973,102.83/3,538.28
  6. Step 6: Final answer
    x = 2,536.01

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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.