Home / 1,826.81-2,521.16-1,040.90

Finding the Fourth Proportional to 1,826.81, 2,521.16 and 1,040.90

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Solution

The fourth proportional to 1,826.81, 2,521.16 and 1,040.90 is: 1,436.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.81 : 2,521.16 = 1,040.90 : x
  2. Step 2: Convert to fraction form
    1,826.81/2,521.16 = 1,040.90/x
  3. Step 3: Cross multiply
    1,826.81x = 2,521.16 × 1,040.90
  4. Step 4: Simplify right side
    1,826.81x = 2,624,257.63
  5. Step 5: Solve for x
    x = 2,624,257.63/1,826.81
  6. Step 6: Final answer
    x = 1,436.53

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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.