Home / 2,434.77-3,653.24-1,280.25

Finding the Fourth Proportional to 2,434.77, 3,653.24 and 1,280.25

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Solution

The fourth proportional to 2,434.77, 3,653.24 and 1,280.25 is: 1,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.77 : 3,653.24 = 1,280.25 : x
  2. Step 2: Convert to fraction form
    2,434.77/3,653.24 = 1,280.25/x
  3. Step 3: Cross multiply
    2,434.77x = 3,653.24 × 1,280.25
  4. Step 4: Simplify right side
    2,434.77x = 4,677,054.11
  5. Step 5: Solve for x
    x = 4,677,054.11/2,434.77
  6. Step 6: Final answer
    x = 1,920.94

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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.