Home / 3,271.88-4,515.54-1,875.08

Finding the Fourth Proportional to 3,271.88, 4,515.54 and 1,875.08

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Solution

The fourth proportional to 3,271.88, 4,515.54 and 1,875.08 is: 2,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.88 : 4,515.54 = 1,875.08 : x
  2. Step 2: Convert to fraction form
    3,271.88/4,515.54 = 1,875.08/x
  3. Step 3: Cross multiply
    3,271.88x = 4,515.54 × 1,875.08
  4. Step 4: Simplify right side
    3,271.88x = 8,466,998.74
  5. Step 5: Solve for x
    x = 8,466,998.74/3,271.88
  6. Step 6: Final answer
    x = 2,587.81

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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.