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Finding the Fourth Proportional to 1,851.96, 2,775.30 and 1,303.02

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Solution

The fourth proportional to 1,851.96, 2,775.30 and 1,303.02 is: 1,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.96 : 2,775.30 = 1,303.02 : x
  2. Step 2: Convert to fraction form
    1,851.96/2,775.30 = 1,303.02/x
  3. Step 3: Cross multiply
    1,851.96x = 2,775.30 × 1,303.02
  4. Step 4: Simplify right side
    1,851.96x = 3,616,271.41
  5. Step 5: Solve for x
    x = 3,616,271.41/1,851.96
  6. Step 6: Final answer
    x = 1,952.67

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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.