Home / 2,325.39-3,210.56-1,442.49

Finding the Fourth Proportional to 2,325.39, 3,210.56 and 1,442.49

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Solution

The fourth proportional to 2,325.39, 3,210.56 and 1,442.49 is: 1,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.39 : 3,210.56 = 1,442.49 : x
  2. Step 2: Convert to fraction form
    2,325.39/3,210.56 = 1,442.49/x
  3. Step 3: Cross multiply
    2,325.39x = 3,210.56 × 1,442.49
  4. Step 4: Simplify right side
    2,325.39x = 4,631,193.48
  5. Step 5: Solve for x
    x = 4,631,193.48/2,325.39
  6. Step 6: Final answer
    x = 1,991.58

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1.5x scale

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.