Home / 1,400.19-2,101.01-1,018.59

Finding the Fourth Proportional to 1,400.19, 2,101.01 and 1,018.59

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Solution

The fourth proportional to 1,400.19, 2,101.01 and 1,018.59 is: 1,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.19 : 2,101.01 = 1,018.59 : x
  2. Step 2: Convert to fraction form
    1,400.19/2,101.01 = 1,018.59/x
  3. Step 3: Cross multiply
    1,400.19x = 2,101.01 × 1,018.59
  4. Step 4: Simplify right side
    1,400.19x = 2,140,062.68
  5. Step 5: Solve for x
    x = 2,140,062.68/1,400.19
  6. Step 6: Final answer
    x = 1,528.41

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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.