Home / 1,848.51-2,553.73-1,211.97

Finding the Fourth Proportional to 1,848.51, 2,553.73 and 1,211.97

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Solution

The fourth proportional to 1,848.51, 2,553.73 and 1,211.97 is: 1,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.51 : 2,553.73 = 1,211.97 : x
  2. Step 2: Convert to fraction form
    1,848.51/2,553.73 = 1,211.97/x
  3. Step 3: Cross multiply
    1,848.51x = 2,553.73 × 1,211.97
  4. Step 4: Simplify right side
    1,848.51x = 3,095,031.38
  5. Step 5: Solve for x
    x = 3,095,031.38/1,848.51
  6. Step 6: Final answer
    x = 1,674.34

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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.