Home / 3,775.59-5,211.27-2,518.74

Finding the Fourth Proportional to 3,775.59, 5,211.27 and 2,518.74

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Solution

The fourth proportional to 3,775.59, 5,211.27 and 2,518.74 is: 3,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.59 : 5,211.27 = 2,518.74 : x
  2. Step 2: Convert to fraction form
    3,775.59/5,211.27 = 2,518.74/x
  3. Step 3: Cross multiply
    3,775.59x = 5,211.27 × 2,518.74
  4. Step 4: Simplify right side
    3,775.59x = 13,125,834.20
  5. Step 5: Solve for x
    x = 13,125,834.20/3,775.59
  6. Step 6: Final answer
    x = 3,476.50

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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.