Home / 2,206.02-3,307.08-1,426.62

Finding the Fourth Proportional to 2,206.02, 3,307.08 and 1,426.62

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Solution

The fourth proportional to 2,206.02, 3,307.08 and 1,426.62 is: 2,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.02 : 3,307.08 = 1,426.62 : x
  2. Step 2: Convert to fraction form
    2,206.02/3,307.08 = 1,426.62/x
  3. Step 3: Cross multiply
    2,206.02x = 3,307.08 × 1,426.62
  4. Step 4: Simplify right side
    2,206.02x = 4,717,946.47
  5. Step 5: Solve for x
    x = 4,717,946.47/2,206.02
  6. Step 6: Final answer
    x = 2,138.67

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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.