Home / 3,543.06-4,889.52-1,971.30

Finding the Fourth Proportional to 3,543.06, 4,889.52 and 1,971.30

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Solution

The fourth proportional to 3,543.06, 4,889.52 and 1,971.30 is: 2,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.06 : 4,889.52 = 1,971.30 : x
  2. Step 2: Convert to fraction form
    3,543.06/4,889.52 = 1,971.30/x
  3. Step 3: Cross multiply
    3,543.06x = 4,889.52 × 1,971.30
  4. Step 4: Simplify right side
    3,543.06x = 9,638,710.78
  5. Step 5: Solve for x
    x = 9,638,710.78/3,543.06
  6. Step 6: Final answer
    x = 2,720.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.