Home / 1,812.35-2,501.41-1,182.98

Finding the Fourth Proportional to 1,812.35, 2,501.41 and 1,182.98

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Solution

The fourth proportional to 1,812.35, 2,501.41 and 1,182.98 is: 1,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.35 : 2,501.41 = 1,182.98 : x
  2. Step 2: Convert to fraction form
    1,812.35/2,501.41 = 1,182.98/x
  3. Step 3: Cross multiply
    1,812.35x = 2,501.41 × 1,182.98
  4. Step 4: Simplify right side
    1,812.35x = 2,959,118.00
  5. Step 5: Solve for x
    x = 2,959,118.00/1,812.35
  6. Step 6: Final answer
    x = 1,632.75

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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.