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Finding the Fourth Proportional to 1,809.04, 2,496.80 and 1,110.80

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Solution

The fourth proportional to 1,809.04, 2,496.80 and 1,110.80 is: 1,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.04 : 2,496.80 = 1,110.80 : x
  2. Step 2: Convert to fraction form
    1,809.04/2,496.80 = 1,110.80/x
  3. Step 3: Cross multiply
    1,809.04x = 2,496.80 × 1,110.80
  4. Step 4: Simplify right side
    1,809.04x = 2,773,445.44
  5. Step 5: Solve for x
    x = 2,773,445.44/1,809.04
  6. Step 6: Final answer
    x = 1,533.10

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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.