Home / 2,909.81-4,365.48-1,870.33

Finding the Fourth Proportional to 2,909.81, 4,365.48 and 1,870.33

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Solution

The fourth proportional to 2,909.81, 4,365.48 and 1,870.33 is: 2,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.81 : 4,365.48 = 1,870.33 : x
  2. Step 2: Convert to fraction form
    2,909.81/4,365.48 = 1,870.33/x
  3. Step 3: Cross multiply
    2,909.81x = 4,365.48 × 1,870.33
  4. Step 4: Simplify right side
    2,909.81x = 8,164,888.21
  5. Step 5: Solve for x
    x = 8,164,888.21/2,909.81
  6. Step 6: Final answer
    x = 2,805.99

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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.