Home / 3,445.57-4,754.86-1,873.67

Finding the Fourth Proportional to 3,445.57, 4,754.86 and 1,873.67

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Solution

The fourth proportional to 3,445.57, 4,754.86 and 1,873.67 is: 2,585.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.57 : 4,754.86 = 1,873.67 : x
  2. Step 2: Convert to fraction form
    3,445.57/4,754.86 = 1,873.67/x
  3. Step 3: Cross multiply
    3,445.57x = 4,754.86 × 1,873.67
  4. Step 4: Simplify right side
    3,445.57x = 8,909,010.08
  5. Step 5: Solve for x
    x = 8,909,010.08/3,445.57
  6. Step 6: Final answer
    x = 2,585.64

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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.