Home / 3,505.80-5,258.48-1,314.34

Finding the Fourth Proportional to 3,505.80, 5,258.48 and 1,314.34

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Solution

The fourth proportional to 3,505.80, 5,258.48 and 1,314.34 is: 1,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.80 : 5,258.48 = 1,314.34 : x
  2. Step 2: Convert to fraction form
    3,505.80/5,258.48 = 1,314.34/x
  3. Step 3: Cross multiply
    3,505.80x = 5,258.48 × 1,314.34
  4. Step 4: Simplify right side
    3,505.80x = 6,911,430.60
  5. Step 5: Solve for x
    x = 6,911,430.60/3,505.80
  6. Step 6: Final answer
    x = 1,971.43

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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.