Home / 3,081.65-4,252.40-1,737.35

Finding the Fourth Proportional to 3,081.65, 4,252.40 and 1,737.35

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Solution

The fourth proportional to 3,081.65, 4,252.40 and 1,737.35 is: 2,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.65 : 4,252.40 = 1,737.35 : x
  2. Step 2: Convert to fraction form
    3,081.65/4,252.40 = 1,737.35/x
  3. Step 3: Cross multiply
    3,081.65x = 4,252.40 × 1,737.35
  4. Step 4: Simplify right side
    3,081.65x = 7,387,899.65
  5. Step 5: Solve for x
    x = 7,387,899.65/3,081.65
  6. Step 6: Final answer
    x = 2,397.39

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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.