Home / 2,415.40-3,333.24-1,367.44

Finding the Fourth Proportional to 2,415.40, 3,333.24 and 1,367.44

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Solution

The fourth proportional to 2,415.40, 3,333.24 and 1,367.44 is: 1,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.40 : 3,333.24 = 1,367.44 : x
  2. Step 2: Convert to fraction form
    2,415.40/3,333.24 = 1,367.44/x
  3. Step 3: Cross multiply
    2,415.40x = 3,333.24 × 1,367.44
  4. Step 4: Simplify right side
    2,415.40x = 4,558,005.71
  5. Step 5: Solve for x
    x = 4,558,005.71/2,415.40
  6. Step 6: Final answer
    x = 1,887.06

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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.