Home / 2,423.41-3,344.74-1,428.63

Finding the Fourth Proportional to 2,423.41, 3,344.74 and 1,428.63

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Solution

The fourth proportional to 2,423.41, 3,344.74 and 1,428.63 is: 1,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.41 : 3,344.74 = 1,428.63 : x
  2. Step 2: Convert to fraction form
    2,423.41/3,344.74 = 1,428.63/x
  3. Step 3: Cross multiply
    2,423.41x = 3,344.74 × 1,428.63
  4. Step 4: Simplify right side
    2,423.41x = 4,778,392.33
  5. Step 5: Solve for x
    x = 4,778,392.33/2,423.41
  6. Step 6: Final answer
    x = 1,971.77

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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.