Home / 3,047.29-4,570.36-1,485.72

Finding the Fourth Proportional to 3,047.29, 4,570.36 and 1,485.72

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Solution

The fourth proportional to 3,047.29, 4,570.36 and 1,485.72 is: 2,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.29 : 4,570.36 = 1,485.72 : x
  2. Step 2: Convert to fraction form
    3,047.29/4,570.36 = 1,485.72/x
  3. Step 3: Cross multiply
    3,047.29x = 4,570.36 × 1,485.72
  4. Step 4: Simplify right side
    3,047.29x = 6,790,275.26
  5. Step 5: Solve for x
    x = 6,790,275.26/3,047.29
  6. Step 6: Final answer
    x = 2,228.30

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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.