Home / 2,293.36-3,164.90-1,298.79

Finding the Fourth Proportional to 2,293.36, 3,164.90 and 1,298.79

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Solution

The fourth proportional to 2,293.36, 3,164.90 and 1,298.79 is: 1,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.36 : 3,164.90 = 1,298.79 : x
  2. Step 2: Convert to fraction form
    2,293.36/3,164.90 = 1,298.79/x
  3. Step 3: Cross multiply
    2,293.36x = 3,164.90 × 1,298.79
  4. Step 4: Simplify right side
    2,293.36x = 4,110,551.63
  5. Step 5: Solve for x
    x = 4,110,551.63/2,293.36
  6. Step 6: Final answer
    x = 1,792.37

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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.