Home / 2,030.11-3,043.95-989.07

Finding the Fourth Proportional to 2,030.11, 3,043.95 and 989.07

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Solution

The fourth proportional to 2,030.11, 3,043.95 and 989.07 is: 1,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.11 : 3,043.95 = 989.07 : x
  2. Step 2: Convert to fraction form
    2,030.11/3,043.95 = 989.07/x
  3. Step 3: Cross multiply
    2,030.11x = 3,043.95 × 989.07
  4. Step 4: Simplify right side
    2,030.11x = 3,010,679.63
  5. Step 5: Solve for x
    x = 3,010,679.63/2,030.11
  6. Step 6: Final answer
    x = 1,483.01

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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.