Home / 2,165.32-2,984.34-1,724.68

Finding the Fourth Proportional to 2,165.32, 2,984.34 and 1,724.68

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Solution

The fourth proportional to 2,165.32, 2,984.34 and 1,724.68 is: 2,377.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.32 : 2,984.34 = 1,724.68 : x
  2. Step 2: Convert to fraction form
    2,165.32/2,984.34 = 1,724.68/x
  3. Step 3: Cross multiply
    2,165.32x = 2,984.34 × 1,724.68
  4. Step 4: Simplify right side
    2,165.32x = 5,147,031.51
  5. Step 5: Solve for x
    x = 5,147,031.51/2,165.32
  6. Step 6: Final answer
    x = 2,377.03

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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.