Home / 1,885.07-2,601.41-1,045.79

Finding the Fourth Proportional to 1,885.07, 2,601.41 and 1,045.79

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Solution

The fourth proportional to 1,885.07, 2,601.41 and 1,045.79 is: 1,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.07 : 2,601.41 = 1,045.79 : x
  2. Step 2: Convert to fraction form
    1,885.07/2,601.41 = 1,045.79/x
  3. Step 3: Cross multiply
    1,885.07x = 2,601.41 × 1,045.79
  4. Step 4: Simplify right side
    1,885.07x = 2,720,528.56
  5. Step 5: Solve for x
    x = 2,720,528.56/1,885.07
  6. Step 6: Final answer
    x = 1,443.20

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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.