Home / 2,605.26-3,595.20-1,426.31

Finding the Fourth Proportional to 2,605.26, 3,595.20 and 1,426.31

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Solution

The fourth proportional to 2,605.26, 3,595.20 and 1,426.31 is: 1,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.26 : 3,595.20 = 1,426.31 : x
  2. Step 2: Convert to fraction form
    2,605.26/3,595.20 = 1,426.31/x
  3. Step 3: Cross multiply
    2,605.26x = 3,595.20 × 1,426.31
  4. Step 4: Simplify right side
    2,605.26x = 5,127,851.74
  5. Step 5: Solve for x
    x = 5,127,851.74/2,605.26
  6. Step 6: Final answer
    x = 1,968.27

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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.