Home / 3,037.12-4,555.88-957.20

Finding the Fourth Proportional to 3,037.12, 4,555.88 and 957.20

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Solution

The fourth proportional to 3,037.12, 4,555.88 and 957.20 is: 1,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.12 : 4,555.88 = 957.20 : x
  2. Step 2: Convert to fraction form
    3,037.12/4,555.88 = 957.20/x
  3. Step 3: Cross multiply
    3,037.12x = 4,555.88 × 957.20
  4. Step 4: Simplify right side
    3,037.12x = 4,360,860.77
  5. Step 5: Solve for x
    x = 4,360,860.77/3,037.12
  6. Step 6: Final answer
    x = 1,435.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.