Home / 1,554.98-2,146.85-1,077.29

Finding the Fourth Proportional to 1,554.98, 2,146.85 and 1,077.29

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Solution

The fourth proportional to 1,554.98, 2,146.85 and 1,077.29 is: 1,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.98 : 2,146.85 = 1,077.29 : x
  2. Step 2: Convert to fraction form
    1,554.98/2,146.85 = 1,077.29/x
  3. Step 3: Cross multiply
    1,554.98x = 2,146.85 × 1,077.29
  4. Step 4: Simplify right side
    1,554.98x = 2,312,763.92
  5. Step 5: Solve for x
    x = 2,312,763.92/1,554.98
  6. Step 6: Final answer
    x = 1,487.33

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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.