Home / 3,376.34-4,658.52-2,118.02

Finding the Fourth Proportional to 3,376.34, 4,658.52 and 2,118.02

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Solution

The fourth proportional to 3,376.34, 4,658.52 and 2,118.02 is: 2,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.34 : 4,658.52 = 2,118.02 : x
  2. Step 2: Convert to fraction form
    3,376.34/4,658.52 = 2,118.02/x
  3. Step 3: Cross multiply
    3,376.34x = 4,658.52 × 2,118.02
  4. Step 4: Simplify right side
    3,376.34x = 9,866,838.53
  5. Step 5: Solve for x
    x = 9,866,838.53/3,376.34
  6. Step 6: Final answer
    x = 2,922.35

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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.