Home / 1,459.10-2,178.74-1,199.63

Finding the Fourth Proportional to 1,459.10, 2,178.74 and 1,199.63

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Solution

The fourth proportional to 1,459.10, 2,178.74 and 1,199.63 is: 1,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.10 : 2,178.74 = 1,199.63 : x
  2. Step 2: Convert to fraction form
    1,459.10/2,178.74 = 1,199.63/x
  3. Step 3: Cross multiply
    1,459.10x = 2,178.74 × 1,199.63
  4. Step 4: Simplify right side
    1,459.10x = 2,613,690.31
  5. Step 5: Solve for x
    x = 2,613,690.31/1,459.10
  6. Step 6: Final answer
    x = 1,791.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.