Home / 1,860.36-2,796.72-1,316.44

Finding the Fourth Proportional to 1,860.36, 2,796.72 and 1,316.44

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Solution

The fourth proportional to 1,860.36, 2,796.72 and 1,316.44 is: 1,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.36 : 2,796.72 = 1,316.44 : x
  2. Step 2: Convert to fraction form
    1,860.36/2,796.72 = 1,316.44/x
  3. Step 3: Cross multiply
    1,860.36x = 2,796.72 × 1,316.44
  4. Step 4: Simplify right side
    1,860.36x = 3,681,714.08
  5. Step 5: Solve for x
    x = 3,681,714.08/1,860.36
  6. Step 6: Final answer
    x = 1,979.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.