Home / 2,330.60-3,215.32-1,335.34

Finding the Fourth Proportional to 2,330.60, 3,215.32 and 1,335.34

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Solution

The fourth proportional to 2,330.60, 3,215.32 and 1,335.34 is: 1,842.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.60 : 3,215.32 = 1,335.34 : x
  2. Step 2: Convert to fraction form
    2,330.60/3,215.32 = 1,335.34/x
  3. Step 3: Cross multiply
    2,330.60x = 3,215.32 × 1,335.34
  4. Step 4: Simplify right side
    2,330.60x = 4,293,545.41
  5. Step 5: Solve for x
    x = 4,293,545.41/2,330.60
  6. Step 6: Final answer
    x = 1,842.25

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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.