Home / 3,856.03-5,783.40-1,258.97

Finding the Fourth Proportional to 3,856.03, 5,783.40 and 1,258.97

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Solution

The fourth proportional to 3,856.03, 5,783.40 and 1,258.97 is: 1,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.03 : 5,783.40 = 1,258.97 : x
  2. Step 2: Convert to fraction form
    3,856.03/5,783.40 = 1,258.97/x
  3. Step 3: Cross multiply
    3,856.03x = 5,783.40 × 1,258.97
  4. Step 4: Simplify right side
    3,856.03x = 7,281,114.45
  5. Step 5: Solve for x
    x = 7,281,114.45/3,856.03
  6. Step 6: Final answer
    x = 1,888.24

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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.