Home / 2,897.21-4,344.96-1,253.36

Finding the Fourth Proportional to 2,897.21, 4,344.96 and 1,253.36

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Solution

The fourth proportional to 2,897.21, 4,344.96 and 1,253.36 is: 1,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.21 : 4,344.96 = 1,253.36 : x
  2. Step 2: Convert to fraction form
    2,897.21/4,344.96 = 1,253.36/x
  3. Step 3: Cross multiply
    2,897.21x = 4,344.96 × 1,253.36
  4. Step 4: Simplify right side
    2,897.21x = 5,445,799.07
  5. Step 5: Solve for x
    x = 5,445,799.07/2,897.21
  6. Step 6: Final answer
    x = 1,879.67

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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.