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Finding the Fourth Proportional to 3,295.98, 4,547.88 and 1,898.46

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Solution

The fourth proportional to 3,295.98, 4,547.88 and 1,898.46 is: 2,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295.98 : 4,547.88 = 1,898.46 : x
  2. Step 2: Convert to fraction form
    3,295.98/4,547.88 = 1,898.46/x
  3. Step 3: Cross multiply
    3,295.98x = 4,547.88 × 1,898.46
  4. Step 4: Simplify right side
    3,295.98x = 8,633,968.26
  5. Step 5: Solve for x
    x = 8,633,968.26/3,295.98
  6. Step 6: Final answer
    x = 2,619.55

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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.