Home / 3,480.67-4,801.56-2,641.51

Finding the Fourth Proportional to 3,480.67, 4,801.56 and 2,641.51

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Solution

The fourth proportional to 3,480.67, 4,801.56 and 2,641.51 is: 3,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.67 : 4,801.56 = 2,641.51 : x
  2. Step 2: Convert to fraction form
    3,480.67/4,801.56 = 2,641.51/x
  3. Step 3: Cross multiply
    3,480.67x = 4,801.56 × 2,641.51
  4. Step 4: Simplify right side
    3,480.67x = 12,683,368.76
  5. Step 5: Solve for x
    x = 12,683,368.76/3,480.67
  6. Step 6: Final answer
    x = 3,643.94

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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.