Home / 3,530.10-4,871.46-1,958.16

Finding the Fourth Proportional to 3,530.10, 4,871.46 and 1,958.16

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Solution

The fourth proportional to 3,530.10, 4,871.46 and 1,958.16 is: 2,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.10 : 4,871.46 = 1,958.16 : x
  2. Step 2: Convert to fraction form
    3,530.10/4,871.46 = 1,958.16/x
  3. Step 3: Cross multiply
    3,530.10x = 4,871.46 × 1,958.16
  4. Step 4: Simplify right side
    3,530.10x = 9,539,098.11
  5. Step 5: Solve for x
    x = 9,539,098.11/3,530.10
  6. Step 6: Final answer
    x = 2,702.22

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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.