Home / 3,030.67-4,184.84-1,913.47

Finding the Fourth Proportional to 3,030.67, 4,184.84 and 1,913.47

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Solution

The fourth proportional to 3,030.67, 4,184.84 and 1,913.47 is: 2,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.67 : 4,184.84 = 1,913.47 : x
  2. Step 2: Convert to fraction form
    3,030.67/4,184.84 = 1,913.47/x
  3. Step 3: Cross multiply
    3,030.67x = 4,184.84 × 1,913.47
  4. Step 4: Simplify right side
    3,030.67x = 8,007,556.23
  5. Step 5: Solve for x
    x = 8,007,556.23/3,030.67
  6. Step 6: Final answer
    x = 2,642.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.