Home / 1,872.65-2,584.48-1,126.98

Finding the Fourth Proportional to 1,872.65, 2,584.48 and 1,126.98

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Solution

The fourth proportional to 1,872.65, 2,584.48 and 1,126.98 is: 1,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.65 : 2,584.48 = 1,126.98 : x
  2. Step 2: Convert to fraction form
    1,872.65/2,584.48 = 1,126.98/x
  3. Step 3: Cross multiply
    1,872.65x = 2,584.48 × 1,126.98
  4. Step 4: Simplify right side
    1,872.65x = 2,912,657.27
  5. Step 5: Solve for x
    x = 2,912,657.27/1,872.65
  6. Step 6: Final answer
    x = 1,555.37

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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.