Home / 2,897.22-4,000.14-1,850.70

Finding the Fourth Proportional to 2,897.22, 4,000.14 and 1,850.70

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Solution

The fourth proportional to 2,897.22, 4,000.14 and 1,850.70 is: 2,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.22 : 4,000.14 = 1,850.70 : x
  2. Step 2: Convert to fraction form
    2,897.22/4,000.14 = 1,850.70/x
  3. Step 3: Cross multiply
    2,897.22x = 4,000.14 × 1,850.70
  4. Step 4: Simplify right side
    2,897.22x = 7,403,059.10
  5. Step 5: Solve for x
    x = 7,403,059.10/2,897.22
  6. Step 6: Final answer
    x = 2,555.23

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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.