Home / 3,570.36-5,351.70-1,261.08

Finding the Fourth Proportional to 3,570.36, 5,351.70 and 1,261.08

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Solution

The fourth proportional to 3,570.36, 5,351.70 and 1,261.08 is: 1,890.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.36 : 5,351.70 = 1,261.08 : x
  2. Step 2: Convert to fraction form
    3,570.36/5,351.70 = 1,261.08/x
  3. Step 3: Cross multiply
    3,570.36x = 5,351.70 × 1,261.08
  4. Step 4: Simplify right side
    3,570.36x = 6,748,921.84
  5. Step 5: Solve for x
    x = 6,748,921.84/3,570.36
  6. Step 6: Final answer
    x = 1,890.26

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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.