Home / 2,605.60-3,595.70-1,426.66

Finding the Fourth Proportional to 2,605.60, 3,595.70 and 1,426.66

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Solution

The fourth proportional to 2,605.60, 3,595.70 and 1,426.66 is: 1,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.60 : 3,595.70 = 1,426.66 : x
  2. Step 2: Convert to fraction form
    2,605.60/3,595.70 = 1,426.66/x
  3. Step 3: Cross multiply
    2,605.60x = 3,595.70 × 1,426.66
  4. Step 4: Simplify right side
    2,605.60x = 5,129,841.36
  5. Step 5: Solve for x
    x = 5,129,841.36/2,605.60
  6. Step 6: Final answer
    x = 1,968.78

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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.