Home / 1,860.58-2,567.76-1,021.44

Finding the Fourth Proportional to 1,860.58, 2,567.76 and 1,021.44

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Solution

The fourth proportional to 1,860.58, 2,567.76 and 1,021.44 is: 1,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.58 : 2,567.76 = 1,021.44 : x
  2. Step 2: Convert to fraction form
    1,860.58/2,567.76 = 1,021.44/x
  3. Step 3: Cross multiply
    1,860.58x = 2,567.76 × 1,021.44
  4. Step 4: Simplify right side
    1,860.58x = 2,622,812.77
  5. Step 5: Solve for x
    x = 2,622,812.77/1,860.58
  6. Step 6: Final answer
    x = 1,409.67

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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.