Home / 1,872.96-2,584.89-1,126.95

Finding the Fourth Proportional to 1,872.96, 2,584.89 and 1,126.95

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Solution

The fourth proportional to 1,872.96, 2,584.89 and 1,126.95 is: 1,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.96 : 2,584.89 = 1,126.95 : x
  2. Step 2: Convert to fraction form
    1,872.96/2,584.89 = 1,126.95/x
  3. Step 3: Cross multiply
    1,872.96x = 2,584.89 × 1,126.95
  4. Step 4: Simplify right side
    1,872.96x = 2,913,041.79
  5. Step 5: Solve for x
    x = 2,913,041.79/1,872.96
  6. Step 6: Final answer
    x = 1,555.31

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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.