Home / 3,008.74-4,152.45-1,963.84

Finding the Fourth Proportional to 3,008.74, 4,152.45 and 1,963.84

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Solution

The fourth proportional to 3,008.74, 4,152.45 and 1,963.84 is: 2,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.74 : 4,152.45 = 1,963.84 : x
  2. Step 2: Convert to fraction form
    3,008.74/4,152.45 = 1,963.84/x
  3. Step 3: Cross multiply
    3,008.74x = 4,152.45 × 1,963.84
  4. Step 4: Simplify right side
    3,008.74x = 8,154,747.41
  5. Step 5: Solve for x
    x = 8,154,747.41/3,008.74
  6. Step 6: Final answer
    x = 2,710.35

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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.