Home / 3,483.12-4,808.16-2,488.80

Finding the Fourth Proportional to 3,483.12, 4,808.16 and 2,488.80

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Solution

The fourth proportional to 3,483.12, 4,808.16 and 2,488.80 is: 3,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.12 : 4,808.16 = 2,488.80 : x
  2. Step 2: Convert to fraction form
    3,483.12/4,808.16 = 2,488.80/x
  3. Step 3: Cross multiply
    3,483.12x = 4,808.16 × 2,488.80
  4. Step 4: Simplify right side
    3,483.12x = 11,966,548.61
  5. Step 5: Solve for x
    x = 11,966,548.61/3,483.12
  6. Step 6: Final answer
    x = 3,435.58

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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.