Home / 1,766.12-2,436.98-1,057.80

Finding the Fourth Proportional to 1,766.12, 2,436.98 and 1,057.80

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Solution

The fourth proportional to 1,766.12, 2,436.98 and 1,057.80 is: 1,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.12 : 2,436.98 = 1,057.80 : x
  2. Step 2: Convert to fraction form
    1,766.12/2,436.98 = 1,057.80/x
  3. Step 3: Cross multiply
    1,766.12x = 2,436.98 × 1,057.80
  4. Step 4: Simplify right side
    1,766.12x = 2,577,825.26
  5. Step 5: Solve for x
    x = 2,577,825.26/1,766.12
  6. Step 6: Final answer
    x = 1,459.60

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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.