Home / 1,370.36-2,046.08-1,356.50

Finding the Fourth Proportional to 1,370.36, 2,046.08 and 1,356.50

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Solution

The fourth proportional to 1,370.36, 2,046.08 and 1,356.50 is: 2,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.36 : 2,046.08 = 1,356.50 : x
  2. Step 2: Convert to fraction form
    1,370.36/2,046.08 = 1,356.50/x
  3. Step 3: Cross multiply
    1,370.36x = 2,046.08 × 1,356.50
  4. Step 4: Simplify right side
    1,370.36x = 2,775,507.52
  5. Step 5: Solve for x
    x = 2,775,507.52/1,370.36
  6. Step 6: Final answer
    x = 2,025.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.