Home / 1,858.39-2,565.45-1,195.63

Finding the Fourth Proportional to 1,858.39, 2,565.45 and 1,195.63

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Solution

The fourth proportional to 1,858.39, 2,565.45 and 1,195.63 is: 1,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.39 : 2,565.45 = 1,195.63 : x
  2. Step 2: Convert to fraction form
    1,858.39/2,565.45 = 1,195.63/x
  3. Step 3: Cross multiply
    1,858.39x = 2,565.45 × 1,195.63
  4. Step 4: Simplify right side
    1,858.39x = 3,067,328.98
  5. Step 5: Solve for x
    x = 3,067,328.98/1,858.39
  6. Step 6: Final answer
    x = 1,650.53

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1.5x scale

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.