Home / 1,572.11-2,353.70-1,201.49

Finding the Fourth Proportional to 1,572.11, 2,353.70 and 1,201.49

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Solution

The fourth proportional to 1,572.11, 2,353.70 and 1,201.49 is: 1,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.11 : 2,353.70 = 1,201.49 : x
  2. Step 2: Convert to fraction form
    1,572.11/2,353.70 = 1,201.49/x
  3. Step 3: Cross multiply
    1,572.11x = 2,353.70 × 1,201.49
  4. Step 4: Simplify right side
    1,572.11x = 2,827,929.24
  5. Step 5: Solve for x
    x = 2,827,929.24/1,572.11
  6. Step 6: Final answer
    x = 1,798.82

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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.