Home / 3,072.95-4,240.66-1,746.65

Finding the Fourth Proportional to 3,072.95, 4,240.66 and 1,746.65

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Solution

The fourth proportional to 3,072.95, 4,240.66 and 1,746.65 is: 2,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.95 : 4,240.66 = 1,746.65 : x
  2. Step 2: Convert to fraction form
    3,072.95/4,240.66 = 1,746.65/x
  3. Step 3: Cross multiply
    3,072.95x = 4,240.66 × 1,746.65
  4. Step 4: Simplify right side
    3,072.95x = 7,406,948.79
  5. Step 5: Solve for x
    x = 7,406,948.79/3,072.95
  6. Step 6: Final answer
    x = 2,410.37

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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.