Home / 1,975.98-2,725.04-1,818.95

Finding the Fourth Proportional to 1,975.98, 2,725.04 and 1,818.95

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Solution

The fourth proportional to 1,975.98, 2,725.04 and 1,818.95 is: 2,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.98 : 2,725.04 = 1,818.95 : x
  2. Step 2: Convert to fraction form
    1,975.98/2,725.04 = 1,818.95/x
  3. Step 3: Cross multiply
    1,975.98x = 2,725.04 × 1,818.95
  4. Step 4: Simplify right side
    1,975.98x = 4,956,688.79
  5. Step 5: Solve for x
    x = 4,956,688.79/1,975.98
  6. Step 6: Final answer
    x = 2,508.47

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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.