Home / 3,748.12-5,647.58-3,113.08

Finding the Fourth Proportional to 3,748.12, 5,647.58 and 3,113.08

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Solution

The fourth proportional to 3,748.12, 5,647.58 and 3,113.08 is: 4,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.12 : 5,647.58 = 3,113.08 : x
  2. Step 2: Convert to fraction form
    3,748.12/5,647.58 = 3,113.08/x
  3. Step 3: Cross multiply
    3,748.12x = 5,647.58 × 3,113.08
  4. Step 4: Simplify right side
    3,748.12x = 17,581,368.35
  5. Step 5: Solve for x
    x = 17,581,368.35/3,748.12
  6. Step 6: Final answer
    x = 4,690.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.