Home / 1,875.05-2,808.31-1,143.01

Finding the Fourth Proportional to 1,875.05, 2,808.31 and 1,143.01

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Solution

The fourth proportional to 1,875.05, 2,808.31 and 1,143.01 is: 1,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.05 : 2,808.31 = 1,143.01 : x
  2. Step 2: Convert to fraction form
    1,875.05/2,808.31 = 1,143.01/x
  3. Step 3: Cross multiply
    1,875.05x = 2,808.31 × 1,143.01
  4. Step 4: Simplify right side
    1,875.05x = 3,209,926.41
  5. Step 5: Solve for x
    x = 3,209,926.41/1,875.05
  6. Step 6: Final answer
    x = 1,711.92

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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.