Home / 1,858.63-2,565.42-1,269.05

Finding the Fourth Proportional to 1,858.63, 2,565.42 and 1,269.05

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Solution

The fourth proportional to 1,858.63, 2,565.42 and 1,269.05 is: 1,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.63 : 2,565.42 = 1,269.05 : x
  2. Step 2: Convert to fraction form
    1,858.63/2,565.42 = 1,269.05/x
  3. Step 3: Cross multiply
    1,858.63x = 2,565.42 × 1,269.05
  4. Step 4: Simplify right side
    1,858.63x = 3,255,652.66
  5. Step 5: Solve for x
    x = 3,255,652.66/1,858.63
  6. Step 6: Final answer
    x = 1,751.64

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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.