Home / 1,554.13-2,145-1,022.08

Finding the Fourth Proportional to 1,554.13, 2,145 and 1,022.08

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Solution

The fourth proportional to 1,554.13, 2,145 and 1,022.08 is: 1,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.13 : 2,145 = 1,022.08 : x
  2. Step 2: Convert to fraction form
    1,554.13/2,145 = 1,022.08/x
  3. Step 3: Cross multiply
    1,554.13x = 2,145 × 1,022.08
  4. Step 4: Simplify right side
    1,554.13x = 2,192,361.60
  5. Step 5: Solve for x
    x = 2,192,361.60/1,554.13
  6. Step 6: Final answer
    x = 1,410.67

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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.