Home / 1,860.53-2,567.50-1,021.19

Finding the Fourth Proportional to 1,860.53, 2,567.50 and 1,021.19

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Solution

The fourth proportional to 1,860.53, 2,567.50 and 1,021.19 is: 1,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.53 : 2,567.50 = 1,021.19 : x
  2. Step 2: Convert to fraction form
    1,860.53/2,567.50 = 1,021.19/x
  3. Step 3: Cross multiply
    1,860.53x = 2,567.50 × 1,021.19
  4. Step 4: Simplify right side
    1,860.53x = 2,621,889.93
  5. Step 5: Solve for x
    x = 2,621,889.93/1,860.53
  6. Step 6: Final answer
    x = 1,409.22

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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.