Home / 2,621.68-3,927.64-1,303.93

Finding the Fourth Proportional to 2,621.68, 3,927.64 and 1,303.93

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Solution

The fourth proportional to 2,621.68, 3,927.64 and 1,303.93 is: 1,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.68 : 3,927.64 = 1,303.93 : x
  2. Step 2: Convert to fraction form
    2,621.68/3,927.64 = 1,303.93/x
  3. Step 3: Cross multiply
    2,621.68x = 3,927.64 × 1,303.93
  4. Step 4: Simplify right side
    2,621.68x = 5,121,367.63
  5. Step 5: Solve for x
    x = 5,121,367.63/2,621.68
  6. Step 6: Final answer
    x = 1,953.47

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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.