Home / 1,465.36-2,181.30-1,443.49

Finding the Fourth Proportional to 1,465.36, 2,181.30 and 1,443.49

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Solution

The fourth proportional to 1,465.36, 2,181.30 and 1,443.49 is: 2,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.36 : 2,181.30 = 1,443.49 : x
  2. Step 2: Convert to fraction form
    1,465.36/2,181.30 = 1,443.49/x
  3. Step 3: Cross multiply
    1,465.36x = 2,181.30 × 1,443.49
  4. Step 4: Simplify right side
    1,465.36x = 3,148,684.74
  5. Step 5: Solve for x
    x = 3,148,684.74/1,465.36
  6. Step 6: Final answer
    x = 2,148.74

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1.5x scale

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.