Home / 3,877.93-5,348.68-2,460.40

Finding the Fourth Proportional to 3,877.93, 5,348.68 and 2,460.40

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Solution

The fourth proportional to 3,877.93, 5,348.68 and 2,460.40 is: 3,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.93 : 5,348.68 = 2,460.40 : x
  2. Step 2: Convert to fraction form
    3,877.93/5,348.68 = 2,460.40/x
  3. Step 3: Cross multiply
    3,877.93x = 5,348.68 × 2,460.40
  4. Step 4: Simplify right side
    3,877.93x = 13,159,853.23
  5. Step 5: Solve for x
    x = 13,159,853.23/3,877.93
  6. Step 6: Final answer
    x = 3,393.53

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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.