Home / 1,859.28-2,543.79-1,851.54

Finding the Fourth Proportional to 1,859.28, 2,543.79 and 1,851.54

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Solution

The fourth proportional to 1,859.28, 2,543.79 and 1,851.54 is: 2,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.28 : 2,543.79 = 1,851.54 : x
  2. Step 2: Convert to fraction form
    1,859.28/2,543.79 = 1,851.54/x
  3. Step 3: Cross multiply
    1,859.28x = 2,543.79 × 1,851.54
  4. Step 4: Simplify right side
    1,859.28x = 4,709,928.94
  5. Step 5: Solve for x
    x = 4,709,928.94/1,859.28
  6. Step 6: Final answer
    x = 2,533.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.