Home / 1,860.46-2,567.51-1,021.20

Finding the Fourth Proportional to 1,860.46, 2,567.51 and 1,021.20

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Solution

The fourth proportional to 1,860.46, 2,567.51 and 1,021.20 is: 1,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.46 : 2,567.51 = 1,021.20 : x
  2. Step 2: Convert to fraction form
    1,860.46/2,567.51 = 1,021.20/x
  3. Step 3: Cross multiply
    1,860.46x = 2,567.51 × 1,021.20
  4. Step 4: Simplify right side
    1,860.46x = 2,621,936.81
  5. Step 5: Solve for x
    x = 2,621,936.81/1,860.46
  6. Step 6: Final answer
    x = 1,409.29

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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.