Home / 3,505.32-5,258.90-1,314.08

Finding the Fourth Proportional to 3,505.32, 5,258.90 and 1,314.08

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Solution

The fourth proportional to 3,505.32, 5,258.90 and 1,314.08 is: 1,971.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.32 : 5,258.90 = 1,314.08 : x
  2. Step 2: Convert to fraction form
    3,505.32/5,258.90 = 1,314.08/x
  3. Step 3: Cross multiply
    3,505.32x = 5,258.90 × 1,314.08
  4. Step 4: Simplify right side
    3,505.32x = 6,910,615.31
  5. Step 5: Solve for x
    x = 6,910,615.31/3,505.32
  6. Step 6: Final answer
    x = 1,971.46

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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.