Home / 2,222.67-3,070.40-1,604.91

Finding the Fourth Proportional to 2,222.67, 3,070.40 and 1,604.91

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Solution

The fourth proportional to 2,222.67, 3,070.40 and 1,604.91 is: 2,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.67 : 3,070.40 = 1,604.91 : x
  2. Step 2: Convert to fraction form
    2,222.67/3,070.40 = 1,604.91/x
  3. Step 3: Cross multiply
    2,222.67x = 3,070.40 × 1,604.91
  4. Step 4: Simplify right side
    2,222.67x = 4,927,707.64
  5. Step 5: Solve for x
    x = 4,927,707.64/2,222.67
  6. Step 6: Final answer
    x = 2,217.02

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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.