Home / 3,507.32-5,261.90-1,316.08

Finding the Fourth Proportional to 3,507.32, 5,261.90 and 1,316.08

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Solution

The fourth proportional to 3,507.32, 5,261.90 and 1,316.08 is: 1,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.32 : 5,261.90 = 1,316.08 : x
  2. Step 2: Convert to fraction form
    3,507.32/5,261.90 = 1,316.08/x
  3. Step 3: Cross multiply
    3,507.32x = 5,261.90 × 1,316.08
  4. Step 4: Simplify right side
    3,507.32x = 6,925,081.35
  5. Step 5: Solve for x
    x = 6,925,081.35/3,507.32
  6. Step 6: Final answer
    x = 1,974.47

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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.