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Finding the Fourth Proportional to 1,804.76, 2,491.56 and 1,175.84

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Solution

The fourth proportional to 1,804.76, 2,491.56 and 1,175.84 is: 1,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.76 : 2,491.56 = 1,175.84 : x
  2. Step 2: Convert to fraction form
    1,804.76/2,491.56 = 1,175.84/x
  3. Step 3: Cross multiply
    1,804.76x = 2,491.56 × 1,175.84
  4. Step 4: Simplify right side
    1,804.76x = 2,929,675.91
  5. Step 5: Solve for x
    x = 2,929,675.91/1,804.76
  6. Step 6: Final answer
    x = 1,623.30

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Half scale
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Double scale
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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.