Home / 2,345.23-3,236.30-1,282.98

Finding the Fourth Proportional to 2,345.23, 3,236.30 and 1,282.98

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Solution

The fourth proportional to 2,345.23, 3,236.30 and 1,282.98 is: 1,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.23 : 3,236.30 = 1,282.98 : x
  2. Step 2: Convert to fraction form
    2,345.23/3,236.30 = 1,282.98/x
  3. Step 3: Cross multiply
    2,345.23x = 3,236.30 × 1,282.98
  4. Step 4: Simplify right side
    2,345.23x = 4,152,091.99
  5. Step 5: Solve for x
    x = 4,152,091.99/2,345.23
  6. Step 6: Final answer
    x = 1,770.45

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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.