Home / 1,368.24-1,888.29-1,119.03

Finding the Fourth Proportional to 1,368.24, 1,888.29 and 1,119.03

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Solution

The fourth proportional to 1,368.24, 1,888.29 and 1,119.03 is: 1,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.24 : 1,888.29 = 1,119.03 : x
  2. Step 2: Convert to fraction form
    1,368.24/1,888.29 = 1,119.03/x
  3. Step 3: Cross multiply
    1,368.24x = 1,888.29 × 1,119.03
  4. Step 4: Simplify right side
    1,368.24x = 2,113,053.16
  5. Step 5: Solve for x
    x = 2,113,053.16/1,368.24
  6. Step 6: Final answer
    x = 1,544.36

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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.