Home / 3,445.46-4,754.78-1,873.58

Finding the Fourth Proportional to 3,445.46, 4,754.78 and 1,873.58

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Solution

The fourth proportional to 3,445.46, 4,754.78 and 1,873.58 is: 2,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.46 : 4,754.78 = 1,873.58 : x
  2. Step 2: Convert to fraction form
    3,445.46/4,754.78 = 1,873.58/x
  3. Step 3: Cross multiply
    3,445.46x = 4,754.78 × 1,873.58
  4. Step 4: Simplify right side
    3,445.46x = 8,908,460.71
  5. Step 5: Solve for x
    x = 8,908,460.71/3,445.46
  6. Step 6: Final answer
    x = 2,585.56

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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.