Home / 2,511.64-3,466.20-1,628.20

Finding the Fourth Proportional to 2,511.64, 3,466.20 and 1,628.20

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Solution

The fourth proportional to 2,511.64, 3,466.20 and 1,628.20 is: 2,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.64 : 3,466.20 = 1,628.20 : x
  2. Step 2: Convert to fraction form
    2,511.64/3,466.20 = 1,628.20/x
  3. Step 3: Cross multiply
    2,511.64x = 3,466.20 × 1,628.20
  4. Step 4: Simplify right side
    2,511.64x = 5,643,666.84
  5. Step 5: Solve for x
    x = 5,643,666.84/2,511.64
  6. Step 6: Final answer
    x = 2,247.00

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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.