Home / 1,838.10-2,536.81-1,052.40

Finding the Fourth Proportional to 1,838.10, 2,536.81 and 1,052.40

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Solution

The fourth proportional to 1,838.10, 2,536.81 and 1,052.40 is: 1,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.10 : 2,536.81 = 1,052.40 : x
  2. Step 2: Convert to fraction form
    1,838.10/2,536.81 = 1,052.40/x
  3. Step 3: Cross multiply
    1,838.10x = 2,536.81 × 1,052.40
  4. Step 4: Simplify right side
    1,838.10x = 2,669,745.73
  5. Step 5: Solve for x
    x = 2,669,745.73/1,838.10
  6. Step 6: Final answer
    x = 1,452.45

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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.