Home / 1,589.11-2,193.69-1,000.51

Finding the Fourth Proportional to 1,589.11, 2,193.69 and 1,000.51

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Solution

The fourth proportional to 1,589.11, 2,193.69 and 1,000.51 is: 1,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.11 : 2,193.69 = 1,000.51 : x
  2. Step 2: Convert to fraction form
    1,589.11/2,193.69 = 1,000.51/x
  3. Step 3: Cross multiply
    1,589.11x = 2,193.69 × 1,000.51
  4. Step 4: Simplify right side
    1,589.11x = 2,194,808.78
  5. Step 5: Solve for x
    x = 2,194,808.78/1,589.11
  6. Step 6: Final answer
    x = 1,381.16

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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.