Home / 2,419.07-3,336.80-1,822.50

Finding the Fourth Proportional to 2,419.07, 3,336.80 and 1,822.50

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Solution

The fourth proportional to 2,419.07, 3,336.80 and 1,822.50 is: 2,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.07 : 3,336.80 = 1,822.50 : x
  2. Step 2: Convert to fraction form
    2,419.07/3,336.80 = 1,822.50/x
  3. Step 3: Cross multiply
    2,419.07x = 3,336.80 × 1,822.50
  4. Step 4: Simplify right side
    2,419.07x = 6,081,308.89
  5. Step 5: Solve for x
    x = 6,081,308.89/2,419.07
  6. Step 6: Final answer
    x = 2,513.91

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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.