Home / 2,020.30-3,030.35-924.64

Finding the Fourth Proportional to 2,020.30, 3,030.35 and 924.64

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Solution

The fourth proportional to 2,020.30, 3,030.35 and 924.64 is: 1,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.30 : 3,030.35 = 924.64 : x
  2. Step 2: Convert to fraction form
    2,020.30/3,030.35 = 924.64/x
  3. Step 3: Cross multiply
    2,020.30x = 3,030.35 × 924.64
  4. Step 4: Simplify right side
    2,020.30x = 2,801,970.62
  5. Step 5: Solve for x
    x = 2,801,970.62/2,020.30
  6. Step 6: Final answer
    x = 1,386.91

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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.