Home / 3,069.45-4,237.26-1,810.08

Finding the Fourth Proportional to 3,069.45, 4,237.26 and 1,810.08

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Solution

The fourth proportional to 3,069.45, 4,237.26 and 1,810.08 is: 2,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.45 : 4,237.26 = 1,810.08 : x
  2. Step 2: Convert to fraction form
    3,069.45/4,237.26 = 1,810.08/x
  3. Step 3: Cross multiply
    3,069.45x = 4,237.26 × 1,810.08
  4. Step 4: Simplify right side
    3,069.45x = 7,669,779.58
  5. Step 5: Solve for x
    x = 7,669,779.58/3,069.45
  6. Step 6: Final answer
    x = 2,498.75

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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.