Home / 1,826.70-2,520.90-1,040.76

Finding the Fourth Proportional to 1,826.70, 2,520.90 and 1,040.76

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Solution

The fourth proportional to 1,826.70, 2,520.90 and 1,040.76 is: 1,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.70 : 2,520.90 = 1,040.76 : x
  2. Step 2: Convert to fraction form
    1,826.70/2,520.90 = 1,040.76/x
  3. Step 3: Cross multiply
    1,826.70x = 2,520.90 × 1,040.76
  4. Step 4: Simplify right side
    1,826.70x = 2,623,651.88
  5. Step 5: Solve for x
    x = 2,623,651.88/1,826.70
  6. Step 6: Final answer
    x = 1,436.28

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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.