Home / 1,530.06-2,291.90-1,269.44

Finding the Fourth Proportional to 1,530.06, 2,291.90 and 1,269.44

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Solution

The fourth proportional to 1,530.06, 2,291.90 and 1,269.44 is: 1,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.06 : 2,291.90 = 1,269.44 : x
  2. Step 2: Convert to fraction form
    1,530.06/2,291.90 = 1,269.44/x
  3. Step 3: Cross multiply
    1,530.06x = 2,291.90 × 1,269.44
  4. Step 4: Simplify right side
    1,530.06x = 2,909,420.32
  5. Step 5: Solve for x
    x = 2,909,420.32/1,530.06
  6. Step 6: Final answer
    x = 1,901.51

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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.