Home / 1,461.64-2,002.57-1,443.43

Finding the Fourth Proportional to 1,461.64, 2,002.57 and 1,443.43

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Solution

The fourth proportional to 1,461.64, 2,002.57 and 1,443.43 is: 1,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.64 : 2,002.57 = 1,443.43 : x
  2. Step 2: Convert to fraction form
    1,461.64/2,002.57 = 1,443.43/x
  3. Step 3: Cross multiply
    1,461.64x = 2,002.57 × 1,443.43
  4. Step 4: Simplify right side
    1,461.64x = 2,890,569.62
  5. Step 5: Solve for x
    x = 2,890,569.62/1,461.64
  6. Step 6: Final answer
    x = 1,977.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.