Home / 1,369.85-2,041.76-1,292.02

Finding the Fourth Proportional to 1,369.85, 2,041.76 and 1,292.02

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Solution

The fourth proportional to 1,369.85, 2,041.76 and 1,292.02 is: 1,925.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.85 : 2,041.76 = 1,292.02 : x
  2. Step 2: Convert to fraction form
    1,369.85/2,041.76 = 1,292.02/x
  3. Step 3: Cross multiply
    1,369.85x = 2,041.76 × 1,292.02
  4. Step 4: Simplify right side
    1,369.85x = 2,637,992.88
  5. Step 5: Solve for x
    x = 2,637,992.88/1,369.85
  6. Step 6: Final answer
    x = 1,925.75

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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.