Home / 3,530.70-5,296.05-2,291.40

Finding the Fourth Proportional to 3,530.70, 5,296.05 and 2,291.40

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Solution

The fourth proportional to 3,530.70, 5,296.05 and 2,291.40 is: 3,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.70 : 5,296.05 = 2,291.40 : x
  2. Step 2: Convert to fraction form
    3,530.70/5,296.05 = 2,291.40/x
  3. Step 3: Cross multiply
    3,530.70x = 5,296.05 × 2,291.40
  4. Step 4: Simplify right side
    3,530.70x = 12,135,368.97
  5. Step 5: Solve for x
    x = 12,135,368.97/3,530.70
  6. Step 6: Final answer
    x = 3,437.10

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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.