Home / 1,955.09-2,697.95-1,168.67

Finding the Fourth Proportional to 1,955.09, 2,697.95 and 1,168.67

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Solution

The fourth proportional to 1,955.09, 2,697.95 and 1,168.67 is: 1,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.09 : 2,697.95 = 1,168.67 : x
  2. Step 2: Convert to fraction form
    1,955.09/2,697.95 = 1,168.67/x
  3. Step 3: Cross multiply
    1,955.09x = 2,697.95 × 1,168.67
  4. Step 4: Simplify right side
    1,955.09x = 3,153,013.23
  5. Step 5: Solve for x
    x = 3,153,013.23/1,955.09
  6. Step 6: Final answer
    x = 1,612.72

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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.