Home / 1,475.86-2,037.47-1,143.54

Finding the Fourth Proportional to 1,475.86, 2,037.47 and 1,143.54

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Solution

The fourth proportional to 1,475.86, 2,037.47 and 1,143.54 is: 1,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.86 : 2,037.47 = 1,143.54 : x
  2. Step 2: Convert to fraction form
    1,475.86/2,037.47 = 1,143.54/x
  3. Step 3: Cross multiply
    1,475.86x = 2,037.47 × 1,143.54
  4. Step 4: Simplify right side
    1,475.86x = 2,329,928.44
  5. Step 5: Solve for x
    x = 2,329,928.44/1,475.86
  6. Step 6: Final answer
    x = 1,578.69

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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.