Home / 3,430.35-4,731.48-3,316.14

Finding the Fourth Proportional to 3,430.35, 4,731.48 and 3,316.14

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Solution

The fourth proportional to 3,430.35, 4,731.48 and 3,316.14 is: 4,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.35 : 4,731.48 = 3,316.14 : x
  2. Step 2: Convert to fraction form
    3,430.35/4,731.48 = 3,316.14/x
  3. Step 3: Cross multiply
    3,430.35x = 4,731.48 × 3,316.14
  4. Step 4: Simplify right side
    3,430.35x = 15,690,250.09
  5. Step 5: Solve for x
    x = 15,690,250.09/3,430.35
  6. Step 6: Final answer
    x = 4,573.95

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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.