Home / 3,570.88-5,355.06-1,071.32

Finding the Fourth Proportional to 3,570.88, 5,355.06 and 1,071.32

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Solution

The fourth proportional to 3,570.88, 5,355.06 and 1,071.32 is: 1,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.88 : 5,355.06 = 1,071.32 : x
  2. Step 2: Convert to fraction form
    3,570.88/5,355.06 = 1,071.32/x
  3. Step 3: Cross multiply
    3,570.88x = 5,355.06 × 1,071.32
  4. Step 4: Simplify right side
    3,570.88x = 5,736,969.49
  5. Step 5: Solve for x
    x = 5,736,969.49/3,570.88
  6. Step 6: Final answer
    x = 1,606.60

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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.