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Finding the Fourth Proportional to 2,605.45, 3,595.52 and 1,426.51

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Solution

The fourth proportional to 2,605.45, 3,595.52 and 1,426.51 is: 1,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.45 : 3,595.52 = 1,426.51 : x
  2. Step 2: Convert to fraction form
    2,605.45/3,595.52 = 1,426.51/x
  3. Step 3: Cross multiply
    2,605.45x = 3,595.52 × 1,426.51
  4. Step 4: Simplify right side
    2,605.45x = 5,129,038.10
  5. Step 5: Solve for x
    x = 5,129,038.10/2,605.45
  6. Step 6: Final answer
    x = 1,968.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.