Home / 2,330.46-3,215.91-1,282.53

Finding the Fourth Proportional to 2,330.46, 3,215.91 and 1,282.53

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Solution

The fourth proportional to 2,330.46, 3,215.91 and 1,282.53 is: 1,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.46 : 3,215.91 = 1,282.53 : x
  2. Step 2: Convert to fraction form
    2,330.46/3,215.91 = 1,282.53/x
  3. Step 3: Cross multiply
    2,330.46x = 3,215.91 × 1,282.53
  4. Step 4: Simplify right side
    2,330.46x = 4,124,501.05
  5. Step 5: Solve for x
    x = 4,124,501.05/2,330.46
  6. Step 6: Final answer
    x = 1,769.82

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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.