Home / 1,440.23-1,985.27-1,204.97

Finding the Fourth Proportional to 1,440.23, 1,985.27 and 1,204.97

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Solution

The fourth proportional to 1,440.23, 1,985.27 and 1,204.97 is: 1,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.23 : 1,985.27 = 1,204.97 : x
  2. Step 2: Convert to fraction form
    1,440.23/1,985.27 = 1,204.97/x
  3. Step 3: Cross multiply
    1,440.23x = 1,985.27 × 1,204.97
  4. Step 4: Simplify right side
    1,440.23x = 2,392,174.84
  5. Step 5: Solve for x
    x = 2,392,174.84/1,440.23
  6. Step 6: Final answer
    x = 1,660.97

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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.