Home / 1,766.58-2,437.84-1,020.54

Finding the Fourth Proportional to 1,766.58, 2,437.84 and 1,020.54

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Solution

The fourth proportional to 1,766.58, 2,437.84 and 1,020.54 is: 1,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.58 : 2,437.84 = 1,020.54 : x
  2. Step 2: Convert to fraction form
    1,766.58/2,437.84 = 1,020.54/x
  3. Step 3: Cross multiply
    1,766.58x = 2,437.84 × 1,020.54
  4. Step 4: Simplify right side
    1,766.58x = 2,487,913.23
  5. Step 5: Solve for x
    x = 2,487,913.23/1,766.58
  6. Step 6: Final answer
    x = 1,408.32

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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.