Home / 2,605.40-3,595.44-1,426.49

Finding the Fourth Proportional to 2,605.40, 3,595.44 and 1,426.49

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Solution

The fourth proportional to 2,605.40, 3,595.44 and 1,426.49 is: 1,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.40 : 3,595.44 = 1,426.49 : x
  2. Step 2: Convert to fraction form
    2,605.40/3,595.44 = 1,426.49/x
  3. Step 3: Cross multiply
    2,605.40x = 3,595.44 × 1,426.49
  4. Step 4: Simplify right side
    2,605.40x = 5,128,859.21
  5. Step 5: Solve for x
    x = 5,128,859.21/2,605.40
  6. Step 6: Final answer
    x = 1,968.55

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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.