Home / 2,369.84-3,556.96-1,275.20

Finding the Fourth Proportional to 2,369.84, 3,556.96 and 1,275.20

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Solution

The fourth proportional to 2,369.84, 3,556.96 and 1,275.20 is: 1,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.84 : 3,556.96 = 1,275.20 : x
  2. Step 2: Convert to fraction form
    2,369.84/3,556.96 = 1,275.20/x
  3. Step 3: Cross multiply
    2,369.84x = 3,556.96 × 1,275.20
  4. Step 4: Simplify right side
    2,369.84x = 4,535,835.39
  5. Step 5: Solve for x
    x = 4,535,835.39/2,369.84
  6. Step 6: Final answer
    x = 1,913.98

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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.