Home / 3,307.10-4,563.56-1,980.32

Finding the Fourth Proportional to 3,307.10, 4,563.56 and 1,980.32

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Solution

The fourth proportional to 3,307.10, 4,563.56 and 1,980.32 is: 2,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.10 : 4,563.56 = 1,980.32 : x
  2. Step 2: Convert to fraction form
    3,307.10/4,563.56 = 1,980.32/x
  3. Step 3: Cross multiply
    3,307.10x = 4,563.56 × 1,980.32
  4. Step 4: Simplify right side
    3,307.10x = 9,037,309.14
  5. Step 5: Solve for x
    x = 9,037,309.14/3,307.10
  6. Step 6: Final answer
    x = 2,732.70

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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.