Home / 1,459.94-2,178.62-1,304.21

Finding the Fourth Proportional to 1,459.94, 2,178.62 and 1,304.21

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Solution

The fourth proportional to 1,459.94, 2,178.62 and 1,304.21 is: 1,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.94 : 2,178.62 = 1,304.21 : x
  2. Step 2: Convert to fraction form
    1,459.94/2,178.62 = 1,304.21/x
  3. Step 3: Cross multiply
    1,459.94x = 2,178.62 × 1,304.21
  4. Step 4: Simplify right side
    1,459.94x = 2,841,360.58
  5. Step 5: Solve for x
    x = 2,841,360.58/1,459.94
  6. Step 6: Final answer
    x = 1,946.22

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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.