Home / 1,572.16-2,353.79-1,201.54

Finding the Fourth Proportional to 1,572.16, 2,353.79 and 1,201.54

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Solution

The fourth proportional to 1,572.16, 2,353.79 and 1,201.54 is: 1,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.16 : 2,353.79 = 1,201.54 : x
  2. Step 2: Convert to fraction form
    1,572.16/2,353.79 = 1,201.54/x
  3. Step 3: Cross multiply
    1,572.16x = 2,353.79 × 1,201.54
  4. Step 4: Simplify right side
    1,572.16x = 2,828,172.84
  5. Step 5: Solve for x
    x = 2,828,172.84/1,572.16
  6. Step 6: Final answer
    x = 1,798.91

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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.