Home / 1,455.63-2,183.79-1,047.84

Finding the Fourth Proportional to 1,455.63, 2,183.79 and 1,047.84

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Solution

The fourth proportional to 1,455.63, 2,183.79 and 1,047.84 is: 1,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.63 : 2,183.79 = 1,047.84 : x
  2. Step 2: Convert to fraction form
    1,455.63/2,183.79 = 1,047.84/x
  3. Step 3: Cross multiply
    1,455.63x = 2,183.79 × 1,047.84
  4. Step 4: Simplify right side
    1,455.63x = 2,288,262.51
  5. Step 5: Solve for x
    x = 2,288,262.51/1,455.63
  6. Step 6: Final answer
    x = 1,572.01

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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.