Home / 2,384.47-3,283.22-2,118.45

Finding the Fourth Proportional to 2,384.47, 3,283.22 and 2,118.45

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Solution

The fourth proportional to 2,384.47, 3,283.22 and 2,118.45 is: 2,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.47 : 3,283.22 = 2,118.45 : x
  2. Step 2: Convert to fraction form
    2,384.47/3,283.22 = 2,118.45/x
  3. Step 3: Cross multiply
    2,384.47x = 3,283.22 × 2,118.45
  4. Step 4: Simplify right side
    2,384.47x = 6,955,352.04
  5. Step 5: Solve for x
    x = 6,955,352.04/2,384.47
  6. Step 6: Final answer
    x = 2,916.94

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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.