Home / 2,415.33-3,332.81-1,353.17

Finding the Fourth Proportional to 2,415.33, 3,332.81 and 1,353.17

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Solution

The fourth proportional to 2,415.33, 3,332.81 and 1,353.17 is: 1,867.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.33 : 3,332.81 = 1,353.17 : x
  2. Step 2: Convert to fraction form
    2,415.33/3,332.81 = 1,353.17/x
  3. Step 3: Cross multiply
    2,415.33x = 3,332.81 × 1,353.17
  4. Step 4: Simplify right side
    2,415.33x = 4,509,835.08
  5. Step 5: Solve for x
    x = 4,509,835.08/2,415.33
  6. Step 6: Final answer
    x = 1,867.17

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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.