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Finding the Fourth Proportional to 1,875.41, 2,810.97 and 833.84

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Solution

The fourth proportional to 1,875.41, 2,810.97 and 833.84 is: 1,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.41 : 2,810.97 = 833.84 : x
  2. Step 2: Convert to fraction form
    1,875.41/2,810.97 = 833.84/x
  3. Step 3: Cross multiply
    1,875.41x = 2,810.97 × 833.84
  4. Step 4: Simplify right side
    1,875.41x = 2,343,899.22
  5. Step 5: Solve for x
    x = 2,343,899.22/1,875.41
  6. Step 6: Final answer
    x = 1,249.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.