Home / 2,484.50-3,428.70-1,422.46

Finding the Fourth Proportional to 2,484.50, 3,428.70 and 1,422.46

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Solution

The fourth proportional to 2,484.50, 3,428.70 and 1,422.46 is: 1,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.50 : 3,428.70 = 1,422.46 : x
  2. Step 2: Convert to fraction form
    2,484.50/3,428.70 = 1,422.46/x
  3. Step 3: Cross multiply
    2,484.50x = 3,428.70 × 1,422.46
  4. Step 4: Simplify right side
    2,484.50x = 4,877,188.60
  5. Step 5: Solve for x
    x = 4,877,188.60/2,484.50
  6. Step 6: Final answer
    x = 1,963.05

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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.