Home / 1,779.61-2,666.30-1,232.15

Finding the Fourth Proportional to 1,779.61, 2,666.30 and 1,232.15

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Solution

The fourth proportional to 1,779.61, 2,666.30 and 1,232.15 is: 1,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.61 : 2,666.30 = 1,232.15 : x
  2. Step 2: Convert to fraction form
    1,779.61/2,666.30 = 1,232.15/x
  3. Step 3: Cross multiply
    1,779.61x = 2,666.30 × 1,232.15
  4. Step 4: Simplify right side
    1,779.61x = 3,285,281.55
  5. Step 5: Solve for x
    x = 3,285,281.55/1,779.61
  6. Step 6: Final answer
    x = 1,846.07

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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.