Home / 1,192.84-1,779.05-1,173.40

Finding the Fourth Proportional to 1,192.84, 1,779.05 and 1,173.40

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Solution

The fourth proportional to 1,192.84, 1,779.05 and 1,173.40 is: 1,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.84 : 1,779.05 = 1,173.40 : x
  2. Step 2: Convert to fraction form
    1,192.84/1,779.05 = 1,173.40/x
  3. Step 3: Cross multiply
    1,192.84x = 1,779.05 × 1,173.40
  4. Step 4: Simplify right side
    1,192.84x = 2,087,537.27
  5. Step 5: Solve for x
    x = 2,087,537.27/1,192.84
  6. Step 6: Final answer
    x = 1,750.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.