Home / 2,038.10-2,812.55-1,106.60

Finding the Fourth Proportional to 2,038.10, 2,812.55 and 1,106.60

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Solution

The fourth proportional to 2,038.10, 2,812.55 and 1,106.60 is: 1,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.10 : 2,812.55 = 1,106.60 : x
  2. Step 2: Convert to fraction form
    2,038.10/2,812.55 = 1,106.60/x
  3. Step 3: Cross multiply
    2,038.10x = 2,812.55 × 1,106.60
  4. Step 4: Simplify right side
    2,038.10x = 3,112,348.23
  5. Step 5: Solve for x
    x = 3,112,348.23/2,038.10
  6. Step 6: Final answer
    x = 1,527.09

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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.