Home / 1,895.79-2,618.37-1,265.22

Finding the Fourth Proportional to 1,895.79, 2,618.37 and 1,265.22

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Solution

The fourth proportional to 1,895.79, 2,618.37 and 1,265.22 is: 1,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.79 : 2,618.37 = 1,265.22 : x
  2. Step 2: Convert to fraction form
    1,895.79/2,618.37 = 1,265.22/x
  3. Step 3: Cross multiply
    1,895.79x = 2,618.37 × 1,265.22
  4. Step 4: Simplify right side
    1,895.79x = 3,312,814.09
  5. Step 5: Solve for x
    x = 3,312,814.09/1,895.79
  6. Step 6: Final answer
    x = 1,747.46

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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.