Home / 3,460.43-4,774.80-3,285.29

Finding the Fourth Proportional to 3,460.43, 4,774.80 and 3,285.29

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Solution

The fourth proportional to 3,460.43, 4,774.80 and 3,285.29 is: 4,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.43 : 4,774.80 = 3,285.29 : x
  2. Step 2: Convert to fraction form
    3,460.43/4,774.80 = 3,285.29/x
  3. Step 3: Cross multiply
    3,460.43x = 4,774.80 × 3,285.29
  4. Step 4: Simplify right side
    3,460.43x = 15,686,602.69
  5. Step 5: Solve for x
    x = 15,686,602.69/3,460.43
  6. Step 6: Final answer
    x = 4,533.14

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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.