Home / 2,639.40-3,642.30-1,460.44

Finding the Fourth Proportional to 2,639.40, 3,642.30 and 1,460.44

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Solution

The fourth proportional to 2,639.40, 3,642.30 and 1,460.44 is: 2,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.40 : 3,642.30 = 1,460.44 : x
  2. Step 2: Convert to fraction form
    2,639.40/3,642.30 = 1,460.44/x
  3. Step 3: Cross multiply
    2,639.40x = 3,642.30 × 1,460.44
  4. Step 4: Simplify right side
    2,639.40x = 5,319,360.61
  5. Step 5: Solve for x
    x = 5,319,360.61/2,639.40
  6. Step 6: Final answer
    x = 2,015.37

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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.