Home / 2,143.06-2,956.55-1,303.09

Finding the Fourth Proportional to 2,143.06, 2,956.55 and 1,303.09

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Solution

The fourth proportional to 2,143.06, 2,956.55 and 1,303.09 is: 1,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.06 : 2,956.55 = 1,303.09 : x
  2. Step 2: Convert to fraction form
    2,143.06/2,956.55 = 1,303.09/x
  3. Step 3: Cross multiply
    2,143.06x = 2,956.55 × 1,303.09
  4. Step 4: Simplify right side
    2,143.06x = 3,852,644.16
  5. Step 5: Solve for x
    x = 3,852,644.16/2,143.06
  6. Step 6: Final answer
    x = 1,797.73

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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.