Home / 1,798.38-2,482.28-1,090.30

Finding the Fourth Proportional to 1,798.38, 2,482.28 and 1,090.30

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Solution

The fourth proportional to 1,798.38, 2,482.28 and 1,090.30 is: 1,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.38 : 2,482.28 = 1,090.30 : x
  2. Step 2: Convert to fraction form
    1,798.38/2,482.28 = 1,090.30/x
  3. Step 3: Cross multiply
    1,798.38x = 2,482.28 × 1,090.30
  4. Step 4: Simplify right side
    1,798.38x = 2,706,429.88
  5. Step 5: Solve for x
    x = 2,706,429.88/1,798.38
  6. Step 6: Final answer
    x = 1,504.93

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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.