Home / 4,258.80-5,877.62-2,490.30

Finding the Fourth Proportional to 4,258.80, 5,877.62 and 2,490.30

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Solution

The fourth proportional to 4,258.80, 5,877.62 and 2,490.30 is: 3,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.80 : 5,877.62 = 2,490.30 : x
  2. Step 2: Convert to fraction form
    4,258.80/5,877.62 = 2,490.30/x
  3. Step 3: Cross multiply
    4,258.80x = 5,877.62 × 2,490.30
  4. Step 4: Simplify right side
    4,258.80x = 14,637,024.63
  5. Step 5: Solve for x
    x = 14,637,024.63/4,258.80
  6. Step 6: Final answer
    x = 3,436.89

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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.