Home / 4,221.57-5,827.32-2,543.05

Finding the Fourth Proportional to 4,221.57, 5,827.32 and 2,543.05

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Solution

The fourth proportional to 4,221.57, 5,827.32 and 2,543.05 is: 3,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.57 : 5,827.32 = 2,543.05 : x
  2. Step 2: Convert to fraction form
    4,221.57/5,827.32 = 2,543.05/x
  3. Step 3: Cross multiply
    4,221.57x = 5,827.32 × 2,543.05
  4. Step 4: Simplify right side
    4,221.57x = 14,819,166.13
  5. Step 5: Solve for x
    x = 14,819,166.13/4,221.57
  6. Step 6: Final answer
    x = 3,510.34

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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.