Home / 1,405.61-2,107.41-1,010.52

Finding the Fourth Proportional to 1,405.61, 2,107.41 and 1,010.52

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Solution

The fourth proportional to 1,405.61, 2,107.41 and 1,010.52 is: 1,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405.61 : 2,107.41 = 1,010.52 : x
  2. Step 2: Convert to fraction form
    1,405.61/2,107.41 = 1,010.52/x
  3. Step 3: Cross multiply
    1,405.61x = 2,107.41 × 1,010.52
  4. Step 4: Simplify right side
    1,405.61x = 2,129,579.95
  5. Step 5: Solve for x
    x = 2,129,579.95/1,405.61
  6. Step 6: Final answer
    x = 1,515.06

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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.