Home / 1,104.02-1,523.40-808.76

Finding the Fourth Proportional to 1,104.02, 1,523.40 and 808.76

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Solution

The fourth proportional to 1,104.02, 1,523.40 and 808.76 is: 1,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.02 : 1,523.40 = 808.76 : x
  2. Step 2: Convert to fraction form
    1,104.02/1,523.40 = 808.76/x
  3. Step 3: Cross multiply
    1,104.02x = 1,523.40 × 808.76
  4. Step 4: Simplify right side
    1,104.02x = 1,232,064.98
  5. Step 5: Solve for x
    x = 1,232,064.98/1,104.02
  6. Step 6: Final answer
    x = 1,115.98

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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.