Home / 1,487.16-2,052.30-897.54

Finding the Fourth Proportional to 1,487.16, 2,052.30 and 897.54

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Solution

The fourth proportional to 1,487.16, 2,052.30 and 897.54 is: 1,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.16 : 2,052.30 = 897.54 : x
  2. Step 2: Convert to fraction form
    1,487.16/2,052.30 = 897.54/x
  3. Step 3: Cross multiply
    1,487.16x = 2,052.30 × 897.54
  4. Step 4: Simplify right side
    1,487.16x = 1,842,021.34
  5. Step 5: Solve for x
    x = 1,842,021.34/1,487.16
  6. Step 6: Final answer
    x = 1,238.62

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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.