Home / 2,506.62-3,459.07-1,387.54

Finding the Fourth Proportional to 2,506.62, 3,459.07 and 1,387.54

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Solution

The fourth proportional to 2,506.62, 3,459.07 and 1,387.54 is: 1,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.62 : 3,459.07 = 1,387.54 : x
  2. Step 2: Convert to fraction form
    2,506.62/3,459.07 = 1,387.54/x
  3. Step 3: Cross multiply
    2,506.62x = 3,459.07 × 1,387.54
  4. Step 4: Simplify right side
    2,506.62x = 4,799,597.99
  5. Step 5: Solve for x
    x = 4,799,597.99/2,506.62
  6. Step 6: Final answer
    x = 1,914.77

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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.