Home / 2,019.23-3,030.20-923.70

Finding the Fourth Proportional to 2,019.23, 3,030.20 and 923.70

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Solution

The fourth proportional to 2,019.23, 3,030.20 and 923.70 is: 1,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.23 : 3,030.20 = 923.70 : x
  2. Step 2: Convert to fraction form
    2,019.23/3,030.20 = 923.70/x
  3. Step 3: Cross multiply
    2,019.23x = 3,030.20 × 923.70
  4. Step 4: Simplify right side
    2,019.23x = 2,798,995.74
  5. Step 5: Solve for x
    x = 2,798,995.74/2,019.23
  6. Step 6: Final answer
    x = 1,386.17

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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.