Home / 2,415.25-3,332.09-1,418.95

Finding the Fourth Proportional to 2,415.25, 3,332.09 and 1,418.95

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Solution

The fourth proportional to 2,415.25, 3,332.09 and 1,418.95 is: 1,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.25 : 3,332.09 = 1,418.95 : x
  2. Step 2: Convert to fraction form
    2,415.25/3,332.09 = 1,418.95/x
  3. Step 3: Cross multiply
    2,415.25x = 3,332.09 × 1,418.95
  4. Step 4: Simplify right side
    2,415.25x = 4,728,068.84
  5. Step 5: Solve for x
    x = 4,728,068.84/2,415.25
  6. Step 6: Final answer
    x = 1,957.59

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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.