Home / 1,811.08-2,501.58-1,574.56

Finding the Fourth Proportional to 1,811.08, 2,501.58 and 1,574.56

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Solution

The fourth proportional to 1,811.08, 2,501.58 and 1,574.56 is: 2,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.08 : 2,501.58 = 1,574.56 : x
  2. Step 2: Convert to fraction form
    1,811.08/2,501.58 = 1,574.56/x
  3. Step 3: Cross multiply
    1,811.08x = 2,501.58 × 1,574.56
  4. Step 4: Simplify right side
    1,811.08x = 3,938,887.80
  5. Step 5: Solve for x
    x = 3,938,887.80/1,811.08
  6. Step 6: Final answer
    x = 2,174.88

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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.