Home / 3,347.67-4,619.18-1,931.03

Finding the Fourth Proportional to 3,347.67, 4,619.18 and 1,931.03

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Solution

The fourth proportional to 3,347.67, 4,619.18 and 1,931.03 is: 2,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.67 : 4,619.18 = 1,931.03 : x
  2. Step 2: Convert to fraction form
    3,347.67/4,619.18 = 1,931.03/x
  3. Step 3: Cross multiply
    3,347.67x = 4,619.18 × 1,931.03
  4. Step 4: Simplify right side
    3,347.67x = 8,919,756.89
  5. Step 5: Solve for x
    x = 8,919,756.89/3,347.67
  6. Step 6: Final answer
    x = 2,664.47

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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.