Home / 4,258.85-5,878.08-2,490.89

Finding the Fourth Proportional to 4,258.85, 5,878.08 and 2,490.89

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Solution

The fourth proportional to 4,258.85, 5,878.08 and 2,490.89 is: 3,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.85 : 5,878.08 = 2,490.89 : x
  2. Step 2: Convert to fraction form
    4,258.85/5,878.08 = 2,490.89/x
  3. Step 3: Cross multiply
    4,258.85x = 5,878.08 × 2,490.89
  4. Step 4: Simplify right side
    4,258.85x = 14,641,621.30
  5. Step 5: Solve for x
    x = 14,641,621.30/4,258.85
  6. Step 6: Final answer
    x = 3,437.93

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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.