Home / 3,618.32-5,427.47-1,670.27

Finding the Fourth Proportional to 3,618.32, 5,427.47 and 1,670.27

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Solution

The fourth proportional to 3,618.32, 5,427.47 and 1,670.27 is: 2,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.32 : 5,427.47 = 1,670.27 : x
  2. Step 2: Convert to fraction form
    3,618.32/5,427.47 = 1,670.27/x
  3. Step 3: Cross multiply
    3,618.32x = 5,427.47 × 1,670.27
  4. Step 4: Simplify right side
    3,618.32x = 9,065,317.36
  5. Step 5: Solve for x
    x = 9,065,317.36/3,618.32
  6. Step 6: Final answer
    x = 2,505.40

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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.