Home / 1,623.26-2,434.28-1,280.63

Finding the Fourth Proportional to 1,623.26, 2,434.28 and 1,280.63

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Solution

The fourth proportional to 1,623.26, 2,434.28 and 1,280.63 is: 1,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.26 : 2,434.28 = 1,280.63 : x
  2. Step 2: Convert to fraction form
    1,623.26/2,434.28 = 1,280.63/x
  3. Step 3: Cross multiply
    1,623.26x = 2,434.28 × 1,280.63
  4. Step 4: Simplify right side
    1,623.26x = 3,117,401.59
  5. Step 5: Solve for x
    x = 3,117,401.59/1,623.26
  6. Step 6: Final answer
    x = 1,920.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.