Home / 2,503.47-3,756.75-1,271.77

Finding the Fourth Proportional to 2,503.47, 3,756.75 and 1,271.77

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Solution

The fourth proportional to 2,503.47, 3,756.75 and 1,271.77 is: 1,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.47 : 3,756.75 = 1,271.77 : x
  2. Step 2: Convert to fraction form
    2,503.47/3,756.75 = 1,271.77/x
  3. Step 3: Cross multiply
    2,503.47x = 3,756.75 × 1,271.77
  4. Step 4: Simplify right side
    2,503.47x = 4,777,707.79
  5. Step 5: Solve for x
    x = 4,777,707.79/2,503.47
  6. Step 6: Final answer
    x = 1,908.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.