Home / 3,506.56-5,258.30-1,313.75

Finding the Fourth Proportional to 3,506.56, 5,258.30 and 1,313.75

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Solution

The fourth proportional to 3,506.56, 5,258.30 and 1,313.75 is: 1,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.56 : 5,258.30 = 1,313.75 : x
  2. Step 2: Convert to fraction form
    3,506.56/5,258.30 = 1,313.75/x
  3. Step 3: Cross multiply
    3,506.56x = 5,258.30 × 1,313.75
  4. Step 4: Simplify right side
    3,506.56x = 6,908,091.63
  5. Step 5: Solve for x
    x = 6,908,091.63/3,506.56
  6. Step 6: Final answer
    x = 1,970.05

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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.