Home / 3,543.63-4,890.29-1,971.83

Finding the Fourth Proportional to 3,543.63, 4,890.29 and 1,971.83

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Solution

The fourth proportional to 3,543.63, 4,890.29 and 1,971.83 is: 2,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.63 : 4,890.29 = 1,971.83 : x
  2. Step 2: Convert to fraction form
    3,543.63/4,890.29 = 1,971.83/x
  3. Step 3: Cross multiply
    3,543.63x = 4,890.29 × 1,971.83
  4. Step 4: Simplify right side
    3,543.63x = 9,642,786.22
  5. Step 5: Solve for x
    x = 9,642,786.22/3,543.63
  6. Step 6: Final answer
    x = 2,721.16

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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.