Home / 2,219.65-3,063.40-1,845.98

Finding the Fourth Proportional to 2,219.65, 3,063.40 and 1,845.98

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Solution

The fourth proportional to 2,219.65, 3,063.40 and 1,845.98 is: 2,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.65 : 3,063.40 = 1,845.98 : x
  2. Step 2: Convert to fraction form
    2,219.65/3,063.40 = 1,845.98/x
  3. Step 3: Cross multiply
    2,219.65x = 3,063.40 × 1,845.98
  4. Step 4: Simplify right side
    2,219.65x = 5,654,975.13
  5. Step 5: Solve for x
    x = 5,654,975.13/2,219.65
  6. Step 6: Final answer
    x = 2,547.69

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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.