Home / 3,417.05-4,715.60-2,072.65

Finding the Fourth Proportional to 3,417.05, 4,715.60 and 2,072.65

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Solution

The fourth proportional to 3,417.05, 4,715.60 and 2,072.65 is: 2,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.05 : 4,715.60 = 2,072.65 : x
  2. Step 2: Convert to fraction form
    3,417.05/4,715.60 = 2,072.65/x
  3. Step 3: Cross multiply
    3,417.05x = 4,715.60 × 2,072.65
  4. Step 4: Simplify right side
    3,417.05x = 9,773,788.34
  5. Step 5: Solve for x
    x = 9,773,788.34/3,417.05
  6. Step 6: Final answer
    x = 2,860.30

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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.