Home / 1,885.04-2,601.46-1,222.46

Finding the Fourth Proportional to 1,885.04, 2,601.46 and 1,222.46

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Solution

The fourth proportional to 1,885.04, 2,601.46 and 1,222.46 is: 1,687.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.04 : 2,601.46 = 1,222.46 : x
  2. Step 2: Convert to fraction form
    1,885.04/2,601.46 = 1,222.46/x
  3. Step 3: Cross multiply
    1,885.04x = 2,601.46 × 1,222.46
  4. Step 4: Simplify right side
    1,885.04x = 3,180,188.82
  5. Step 5: Solve for x
    x = 3,180,188.82/1,885.04
  6. Step 6: Final answer
    x = 1,687.06

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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.