Home / 1,938.16-2,674.52-1,098.94

Finding the Fourth Proportional to 1,938.16, 2,674.52 and 1,098.94

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Solution

The fourth proportional to 1,938.16, 2,674.52 and 1,098.94 is: 1,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.16 : 2,674.52 = 1,098.94 : x
  2. Step 2: Convert to fraction form
    1,938.16/2,674.52 = 1,098.94/x
  3. Step 3: Cross multiply
    1,938.16x = 2,674.52 × 1,098.94
  4. Step 4: Simplify right side
    1,938.16x = 2,939,137.01
  5. Step 5: Solve for x
    x = 2,939,137.01/1,938.16
  6. Step 6: Final answer
    x = 1,516.46

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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.