Home / 3,530.79-4,840.09-3,498.12

Finding the Fourth Proportional to 3,530.79, 4,840.09 and 3,498.12

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Solution

The fourth proportional to 3,530.79, 4,840.09 and 3,498.12 is: 4,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.79 : 4,840.09 = 3,498.12 : x
  2. Step 2: Convert to fraction form
    3,530.79/4,840.09 = 3,498.12/x
  3. Step 3: Cross multiply
    3,530.79x = 4,840.09 × 3,498.12
  4. Step 4: Simplify right side
    3,530.79x = 16,931,206.89
  5. Step 5: Solve for x
    x = 16,931,206.89/3,530.79
  6. Step 6: Final answer
    x = 4,795.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.