Home / 2,798.40-4,197.60-1,154.10

Finding the Fourth Proportional to 2,798.40, 4,197.60 and 1,154.10

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Solution

The fourth proportional to 2,798.40, 4,197.60 and 1,154.10 is: 1,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.40 : 4,197.60 = 1,154.10 : x
  2. Step 2: Convert to fraction form
    2,798.40/4,197.60 = 1,154.10/x
  3. Step 3: Cross multiply
    2,798.40x = 4,197.60 × 1,154.10
  4. Step 4: Simplify right side
    2,798.40x = 4,844,450.16
  5. Step 5: Solve for x
    x = 4,844,450.16/2,798.40
  6. Step 6: Final answer
    x = 1,731.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.