Home / 1,281.56-1,766.80-1,094.24

Finding the Fourth Proportional to 1,281.56, 1,766.80 and 1,094.24

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Solution

The fourth proportional to 1,281.56, 1,766.80 and 1,094.24 is: 1,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281.56 : 1,766.80 = 1,094.24 : x
  2. Step 2: Convert to fraction form
    1,281.56/1,766.80 = 1,094.24/x
  3. Step 3: Cross multiply
    1,281.56x = 1,766.80 × 1,094.24
  4. Step 4: Simplify right side
    1,281.56x = 1,933,303.23
  5. Step 5: Solve for x
    x = 1,933,303.23/1,281.56
  6. Step 6: Final answer
    x = 1,508.55

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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.