Home / 1,675.98-2,312.11-1,178.94

Finding the Fourth Proportional to 1,675.98, 2,312.11 and 1,178.94

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Solution

The fourth proportional to 1,675.98, 2,312.11 and 1,178.94 is: 1,626.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.98 : 2,312.11 = 1,178.94 : x
  2. Step 2: Convert to fraction form
    1,675.98/2,312.11 = 1,178.94/x
  3. Step 3: Cross multiply
    1,675.98x = 2,312.11 × 1,178.94
  4. Step 4: Simplify right side
    1,675.98x = 2,725,838.96
  5. Step 5: Solve for x
    x = 2,725,838.96/1,675.98
  6. Step 6: Final answer
    x = 1,626.41

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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.