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Finding the Fourth Proportional to 4,653.49, 6,979.02 and 1,730.20

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Solution

The fourth proportional to 4,653.49, 6,979.02 and 1,730.20 is: 2,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.49 : 6,979.02 = 1,730.20 : x
  2. Step 2: Convert to fraction form
    4,653.49/6,979.02 = 1,730.20/x
  3. Step 3: Cross multiply
    4,653.49x = 6,979.02 × 1,730.20
  4. Step 4: Simplify right side
    4,653.49x = 12,075,100.40
  5. Step 5: Solve for x
    x = 12,075,100.40/4,653.49
  6. Step 6: Final answer
    x = 2,594.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.