Home / 2,293.43-3,165.05-1,298.75

Finding the Fourth Proportional to 2,293.43, 3,165.05 and 1,298.75

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Solution

The fourth proportional to 2,293.43, 3,165.05 and 1,298.75 is: 1,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.43 : 3,165.05 = 1,298.75 : x
  2. Step 2: Convert to fraction form
    2,293.43/3,165.05 = 1,298.75/x
  3. Step 3: Cross multiply
    2,293.43x = 3,165.05 × 1,298.75
  4. Step 4: Simplify right side
    2,293.43x = 4,110,602.19
  5. Step 5: Solve for x
    x = 4,110,602.19/2,293.43
  6. Step 6: Final answer
    x = 1,792.34

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Double scale
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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.