Home / 2,220.77-3,330.08-1,049.79

Finding the Fourth Proportional to 2,220.77, 3,330.08 and 1,049.79

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Solution

The fourth proportional to 2,220.77, 3,330.08 and 1,049.79 is: 1,574.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.77 : 3,330.08 = 1,049.79 : x
  2. Step 2: Convert to fraction form
    2,220.77/3,330.08 = 1,049.79/x
  3. Step 3: Cross multiply
    2,220.77x = 3,330.08 × 1,049.79
  4. Step 4: Simplify right side
    2,220.77x = 3,495,887.31
  5. Step 5: Solve for x
    x = 3,495,887.31/2,220.77
  6. Step 6: Final answer
    x = 1,574.18

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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.