Home / 2,480.39-3,421.94-1,417.98

Finding the Fourth Proportional to 2,480.39, 3,421.94 and 1,417.98

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Solution

The fourth proportional to 2,480.39, 3,421.94 and 1,417.98 is: 1,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.39 : 3,421.94 = 1,417.98 : x
  2. Step 2: Convert to fraction form
    2,480.39/3,421.94 = 1,417.98/x
  3. Step 3: Cross multiply
    2,480.39x = 3,421.94 × 1,417.98
  4. Step 4: Simplify right side
    2,480.39x = 4,852,235.39
  5. Step 5: Solve for x
    x = 4,852,235.39/2,480.39
  6. Step 6: Final answer
    x = 1,956.24

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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.