Home / 1,955.62-2,697.76-1,326.17

Finding the Fourth Proportional to 1,955.62, 2,697.76 and 1,326.17

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Solution

The fourth proportional to 1,955.62, 2,697.76 and 1,326.17 is: 1,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.62 : 2,697.76 = 1,326.17 : x
  2. Step 2: Convert to fraction form
    1,955.62/2,697.76 = 1,326.17/x
  3. Step 3: Cross multiply
    1,955.62x = 2,697.76 × 1,326.17
  4. Step 4: Simplify right side
    1,955.62x = 3,577,689.32
  5. Step 5: Solve for x
    x = 3,577,689.32/1,955.62
  6. Step 6: Final answer
    x = 1,829.44

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1.5x scale

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.