Home / 4,210.75-5,810.15-2,531.75

Finding the Fourth Proportional to 4,210.75, 5,810.15 and 2,531.75

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Solution

The fourth proportional to 4,210.75, 5,810.15 and 2,531.75 is: 3,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.75 : 5,810.15 = 2,531.75 : x
  2. Step 2: Convert to fraction form
    4,210.75/5,810.15 = 2,531.75/x
  3. Step 3: Cross multiply
    4,210.75x = 5,810.15 × 2,531.75
  4. Step 4: Simplify right side
    4,210.75x = 14,709,847.26
  5. Step 5: Solve for x
    x = 14,709,847.26/4,210.75
  6. Step 6: Final answer
    x = 3,493.40

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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.