Home / 3,069.59-4,602.76-1,220.63

Finding the Fourth Proportional to 3,069.59, 4,602.76 and 1,220.63

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Solution

The fourth proportional to 3,069.59, 4,602.76 and 1,220.63 is: 1,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.59 : 4,602.76 = 1,220.63 : x
  2. Step 2: Convert to fraction form
    3,069.59/4,602.76 = 1,220.63/x
  3. Step 3: Cross multiply
    3,069.59x = 4,602.76 × 1,220.63
  4. Step 4: Simplify right side
    3,069.59x = 5,618,266.94
  5. Step 5: Solve for x
    x = 5,618,266.94/3,069.59
  6. Step 6: Final answer
    x = 1,830.30

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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.