Home / 1,543.68-2,130.24-845.04

Finding the Fourth Proportional to 1,543.68, 2,130.24 and 845.04

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Solution

The fourth proportional to 1,543.68, 2,130.24 and 845.04 is: 1,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.68 : 2,130.24 = 845.04 : x
  2. Step 2: Convert to fraction form
    1,543.68/2,130.24 = 845.04/x
  3. Step 3: Cross multiply
    1,543.68x = 2,130.24 × 845.04
  4. Step 4: Simplify right side
    1,543.68x = 1,800,138.01
  5. Step 5: Solve for x
    x = 1,800,138.01/1,543.68
  6. Step 6: Final answer
    x = 1,166.13

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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.