Home / 3,507.74-5,261.39-1,316.28

Finding the Fourth Proportional to 3,507.74, 5,261.39 and 1,316.28

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Solution

The fourth proportional to 3,507.74, 5,261.39 and 1,316.28 is: 1,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.74 : 5,261.39 = 1,316.28 : x
  2. Step 2: Convert to fraction form
    3,507.74/5,261.39 = 1,316.28/x
  3. Step 3: Cross multiply
    3,507.74x = 5,261.39 × 1,316.28
  4. Step 4: Simplify right side
    3,507.74x = 6,925,462.43
  5. Step 5: Solve for x
    x = 6,925,462.43/3,507.74
  6. Step 6: Final answer
    x = 1,974.34

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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.