Home / 1,855.18-2,554.32-1,574.86

Finding the Fourth Proportional to 1,855.18, 2,554.32 and 1,574.86

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Solution

The fourth proportional to 1,855.18, 2,554.32 and 1,574.86 is: 2,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.18 : 2,554.32 = 1,574.86 : x
  2. Step 2: Convert to fraction form
    1,855.18/2,554.32 = 1,574.86/x
  3. Step 3: Cross multiply
    1,855.18x = 2,554.32 × 1,574.86
  4. Step 4: Simplify right side
    1,855.18x = 4,022,696.40
  5. Step 5: Solve for x
    x = 4,022,696.40/1,855.18
  6. Step 6: Final answer
    x = 2,168.36

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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.