Home / 1,230.24-1,852.30-1,084.92

Finding the Fourth Proportional to 1,230.24, 1,852.30 and 1,084.92

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Solution

The fourth proportional to 1,230.24, 1,852.30 and 1,084.92 is: 1,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.24 : 1,852.30 = 1,084.92 : x
  2. Step 2: Convert to fraction form
    1,230.24/1,852.30 = 1,084.92/x
  3. Step 3: Cross multiply
    1,230.24x = 1,852.30 × 1,084.92
  4. Step 4: Simplify right side
    1,230.24x = 2,009,591.89
  5. Step 5: Solve for x
    x = 2,009,591.89/1,230.24
  6. Step 6: Final answer
    x = 1,633.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.