Home / 2,543.23-3,812.22-1,445.23

Finding the Fourth Proportional to 2,543.23, 3,812.22 and 1,445.23

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Solution

The fourth proportional to 2,543.23, 3,812.22 and 1,445.23 is: 2,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.23 : 3,812.22 = 1,445.23 : x
  2. Step 2: Convert to fraction form
    2,543.23/3,812.22 = 1,445.23/x
  3. Step 3: Cross multiply
    2,543.23x = 3,812.22 × 1,445.23
  4. Step 4: Simplify right side
    2,543.23x = 5,509,534.71
  5. Step 5: Solve for x
    x = 5,509,534.71/2,543.23
  6. Step 6: Final answer
    x = 2,166.35

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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.