Home / 2,068.07-2,852.88-1,321.24

Finding the Fourth Proportional to 2,068.07, 2,852.88 and 1,321.24

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Solution

The fourth proportional to 2,068.07, 2,852.88 and 1,321.24 is: 1,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.07 : 2,852.88 = 1,321.24 : x
  2. Step 2: Convert to fraction form
    2,068.07/2,852.88 = 1,321.24/x
  3. Step 3: Cross multiply
    2,068.07x = 2,852.88 × 1,321.24
  4. Step 4: Simplify right side
    2,068.07x = 3,769,339.17
  5. Step 5: Solve for x
    x = 3,769,339.17/2,068.07
  6. Step 6: Final answer
    x = 1,822.64

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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.