Home / 1,394.02-1,924.17-804.94

Finding the Fourth Proportional to 1,394.02, 1,924.17 and 804.94

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Solution

The fourth proportional to 1,394.02, 1,924.17 and 804.94 is: 1,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.02 : 1,924.17 = 804.94 : x
  2. Step 2: Convert to fraction form
    1,394.02/1,924.17 = 804.94/x
  3. Step 3: Cross multiply
    1,394.02x = 1,924.17 × 804.94
  4. Step 4: Simplify right side
    1,394.02x = 1,548,841.40
  5. Step 5: Solve for x
    x = 1,548,841.40/1,394.02
  6. Step 6: Final answer
    x = 1,111.06

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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.