Home / 1,343.06-2,012.88-1,169

Finding the Fourth Proportional to 1,343.06, 2,012.88 and 1,169

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Solution

The fourth proportional to 1,343.06, 2,012.88 and 1,169 is: 1,752.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.06 : 2,012.88 = 1,169 : x
  2. Step 2: Convert to fraction form
    1,343.06/2,012.88 = 1,169/x
  3. Step 3: Cross multiply
    1,343.06x = 2,012.88 × 1,169
  4. Step 4: Simplify right side
    1,343.06x = 2,353,056.72
  5. Step 5: Solve for x
    x = 2,353,056.72/1,343.06
  6. Step 6: Final answer
    x = 1,752.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.