Home / 1,289.32-1,932.29-595.89

Finding the Fourth Proportional to 1,289.32, 1,932.29 and 595.89

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Solution

The fourth proportional to 1,289.32, 1,932.29 and 595.89 is: 893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289.32 : 1,932.29 = 595.89 : x
  2. Step 2: Convert to fraction form
    1,289.32/1,932.29 = 595.89/x
  3. Step 3: Cross multiply
    1,289.32x = 1,932.29 × 595.89
  4. Step 4: Simplify right side
    1,289.32x = 1,151,432.29
  5. Step 5: Solve for x
    x = 1,151,432.29/1,289.32
  6. Step 6: Final answer
    x = 893.05

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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.