Home / 1,825.35-2,518.81-1,079.34

Finding the Fourth Proportional to 1,825.35, 2,518.81 and 1,079.34

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Solution

The fourth proportional to 1,825.35, 2,518.81 and 1,079.34 is: 1,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.35 : 2,518.81 = 1,079.34 : x
  2. Step 2: Convert to fraction form
    1,825.35/2,518.81 = 1,079.34/x
  3. Step 3: Cross multiply
    1,825.35x = 2,518.81 × 1,079.34
  4. Step 4: Simplify right side
    1,825.35x = 2,718,652.39
  5. Step 5: Solve for x
    x = 2,718,652.39/1,825.35
  6. Step 6: Final answer
    x = 1,489.39

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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.