Home / 2,208.65-3,048.23-1,424.98

Finding the Fourth Proportional to 2,208.65, 3,048.23 and 1,424.98

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Solution

The fourth proportional to 2,208.65, 3,048.23 and 1,424.98 is: 1,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.65 : 3,048.23 = 1,424.98 : x
  2. Step 2: Convert to fraction form
    2,208.65/3,048.23 = 1,424.98/x
  3. Step 3: Cross multiply
    2,208.65x = 3,048.23 × 1,424.98
  4. Step 4: Simplify right side
    2,208.65x = 4,343,644.42
  5. Step 5: Solve for x
    x = 4,343,644.42/2,208.65
  6. Step 6: Final answer
    x = 1,966.65

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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.