Home / 1,955.26-2,697.24-1,291.24

Finding the Fourth Proportional to 1,955.26, 2,697.24 and 1,291.24

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Solution

The fourth proportional to 1,955.26, 2,697.24 and 1,291.24 is: 1,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.26 : 2,697.24 = 1,291.24 : x
  2. Step 2: Convert to fraction form
    1,955.26/2,697.24 = 1,291.24/x
  3. Step 3: Cross multiply
    1,955.26x = 2,697.24 × 1,291.24
  4. Step 4: Simplify right side
    1,955.26x = 3,482,784.18
  5. Step 5: Solve for x
    x = 3,482,784.18/1,955.26
  6. Step 6: Final answer
    x = 1,781.24

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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.