Home / 2,224.20-3,070.02-1,561.23

Finding the Fourth Proportional to 2,224.20, 3,070.02 and 1,561.23

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Solution

The fourth proportional to 2,224.20, 3,070.02 and 1,561.23 is: 2,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.20 : 3,070.02 = 1,561.23 : x
  2. Step 2: Convert to fraction form
    2,224.20/3,070.02 = 1,561.23/x
  3. Step 3: Cross multiply
    2,224.20x = 3,070.02 × 1,561.23
  4. Step 4: Simplify right side
    2,224.20x = 4,793,007.32
  5. Step 5: Solve for x
    x = 4,793,007.32/2,224.20
  6. Step 6: Final answer
    x = 2,154.94

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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.