Home / 3,748.08-5,618.16-1,248.59

Finding the Fourth Proportional to 3,748.08, 5,618.16 and 1,248.59

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Solution

The fourth proportional to 3,748.08, 5,618.16 and 1,248.59 is: 1,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.08 : 5,618.16 = 1,248.59 : x
  2. Step 2: Convert to fraction form
    3,748.08/5,618.16 = 1,248.59/x
  3. Step 3: Cross multiply
    3,748.08x = 5,618.16 × 1,248.59
  4. Step 4: Simplify right side
    3,748.08x = 7,014,778.39
  5. Step 5: Solve for x
    x = 7,014,778.39/3,748.08
  6. Step 6: Final answer
    x = 1,871.57

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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.