Home / 2,405.58-3,319.52-1,357.44

Finding the Fourth Proportional to 2,405.58, 3,319.52 and 1,357.44

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Solution

The fourth proportional to 2,405.58, 3,319.52 and 1,357.44 is: 1,873.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.58 : 3,319.52 = 1,357.44 : x
  2. Step 2: Convert to fraction form
    2,405.58/3,319.52 = 1,357.44/x
  3. Step 3: Cross multiply
    2,405.58x = 3,319.52 × 1,357.44
  4. Step 4: Simplify right side
    2,405.58x = 4,506,049.23
  5. Step 5: Solve for x
    x = 4,506,049.23/2,405.58
  6. Step 6: Final answer
    x = 1,873.17

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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.