Home / 1,369.73-2,041.58-1,291.89

Finding the Fourth Proportional to 1,369.73, 2,041.58 and 1,291.89

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Solution

The fourth proportional to 1,369.73, 2,041.58 and 1,291.89 is: 1,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.73 : 2,041.58 = 1,291.89 : x
  2. Step 2: Convert to fraction form
    1,369.73/2,041.58 = 1,291.89/x
  3. Step 3: Cross multiply
    1,369.73x = 2,041.58 × 1,291.89
  4. Step 4: Simplify right side
    1,369.73x = 2,637,496.79
  5. Step 5: Solve for x
    x = 2,637,496.79/1,369.73
  6. Step 6: Final answer
    x = 1,925.56

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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.