Home / 1,779.50-2,450.28-1,577.44

Finding the Fourth Proportional to 1,779.50, 2,450.28 and 1,577.44

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Solution

The fourth proportional to 1,779.50, 2,450.28 and 1,577.44 is: 2,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.50 : 2,450.28 = 1,577.44 : x
  2. Step 2: Convert to fraction form
    1,779.50/2,450.28 = 1,577.44/x
  3. Step 3: Cross multiply
    1,779.50x = 2,450.28 × 1,577.44
  4. Step 4: Simplify right side
    1,779.50x = 3,865,178.66
  5. Step 5: Solve for x
    x = 3,865,178.66/1,779.50
  6. Step 6: Final answer
    x = 2,172.06

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1.5x scale

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.