Home / 1,885.38-2,601.93-1,296.18

Finding the Fourth Proportional to 1,885.38, 2,601.93 and 1,296.18

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Solution

The fourth proportional to 1,885.38, 2,601.93 and 1,296.18 is: 1,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.38 : 2,601.93 = 1,296.18 : x
  2. Step 2: Convert to fraction form
    1,885.38/2,601.93 = 1,296.18/x
  3. Step 3: Cross multiply
    1,885.38x = 2,601.93 × 1,296.18
  4. Step 4: Simplify right side
    1,885.38x = 3,372,569.63
  5. Step 5: Solve for x
    x = 3,372,569.63/1,885.38
  6. Step 6: Final answer
    x = 1,788.80

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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.