Home / 3,235.77-4,854.74-1,287.45

Finding the Fourth Proportional to 3,235.77, 4,854.74 and 1,287.45

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Solution

The fourth proportional to 3,235.77, 4,854.74 and 1,287.45 is: 1,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.77 : 4,854.74 = 1,287.45 : x
  2. Step 2: Convert to fraction form
    3,235.77/4,854.74 = 1,287.45/x
  3. Step 3: Cross multiply
    3,235.77x = 4,854.74 × 1,287.45
  4. Step 4: Simplify right side
    3,235.77x = 6,250,235.01
  5. Step 5: Solve for x
    x = 6,250,235.01/3,235.77
  6. Step 6: Final answer
    x = 1,931.61

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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.