Home / 3,445.74-4,754.34-1,953.30

Finding the Fourth Proportional to 3,445.74, 4,754.34 and 1,953.30

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Solution

The fourth proportional to 3,445.74, 4,754.34 and 1,953.30 is: 2,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.74 : 4,754.34 = 1,953.30 : x
  2. Step 2: Convert to fraction form
    3,445.74/4,754.34 = 1,953.30/x
  3. Step 3: Cross multiply
    3,445.74x = 4,754.34 × 1,953.30
  4. Step 4: Simplify right side
    3,445.74x = 9,286,652.32
  5. Step 5: Solve for x
    x = 9,286,652.32/3,445.74
  6. Step 6: Final answer
    x = 2,695.11

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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.