Home / 1,766.36-2,437.92-1,020.30

Finding the Fourth Proportional to 1,766.36, 2,437.92 and 1,020.30

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Solution

The fourth proportional to 1,766.36, 2,437.92 and 1,020.30 is: 1,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.36 : 2,437.92 = 1,020.30 : x
  2. Step 2: Convert to fraction form
    1,766.36/2,437.92 = 1,020.30/x
  3. Step 3: Cross multiply
    1,766.36x = 2,437.92 × 1,020.30
  4. Step 4: Simplify right side
    1,766.36x = 2,487,409.78
  5. Step 5: Solve for x
    x = 2,487,409.78/1,766.36
  6. Step 6: Final answer
    x = 1,408.21

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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.