Home / 2,345.14-3,236.28-1,297.18

Finding the Fourth Proportional to 2,345.14, 3,236.28 and 1,297.18

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Solution

The fourth proportional to 2,345.14, 3,236.28 and 1,297.18 is: 1,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.14 : 3,236.28 = 1,297.18 : x
  2. Step 2: Convert to fraction form
    2,345.14/3,236.28 = 1,297.18/x
  3. Step 3: Cross multiply
    2,345.14x = 3,236.28 × 1,297.18
  4. Step 4: Simplify right side
    2,345.14x = 4,198,037.69
  5. Step 5: Solve for x
    x = 4,198,037.69/2,345.14
  6. Step 6: Final answer
    x = 1,790.10

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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.