Home / 1,549.26-2,139.84-1,051.02

Finding the Fourth Proportional to 1,549.26, 2,139.84 and 1,051.02

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Solution

The fourth proportional to 1,549.26, 2,139.84 and 1,051.02 is: 1,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.26 : 2,139.84 = 1,051.02 : x
  2. Step 2: Convert to fraction form
    1,549.26/2,139.84 = 1,051.02/x
  3. Step 3: Cross multiply
    1,549.26x = 2,139.84 × 1,051.02
  4. Step 4: Simplify right side
    1,549.26x = 2,249,014.64
  5. Step 5: Solve for x
    x = 2,249,014.64/1,549.26
  6. Step 6: Final answer
    x = 1,451.67

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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.