Home / 2,914.30-4,020.79-2,030.59

Finding the Fourth Proportional to 2,914.30, 4,020.79 and 2,030.59

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Solution

The fourth proportional to 2,914.30, 4,020.79 and 2,030.59 is: 2,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.30 : 4,020.79 = 2,030.59 : x
  2. Step 2: Convert to fraction form
    2,914.30/4,020.79 = 2,030.59/x
  3. Step 3: Cross multiply
    2,914.30x = 4,020.79 × 2,030.59
  4. Step 4: Simplify right side
    2,914.30x = 8,164,545.71
  5. Step 5: Solve for x
    x = 8,164,545.71/2,914.30
  6. Step 6: Final answer
    x = 2,801.55

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1.5x scale

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.