Home / 4,260.60-5,877.90-2,690.28

Finding the Fourth Proportional to 4,260.60, 5,877.90 and 2,690.28

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Solution

The fourth proportional to 4,260.60, 5,877.90 and 2,690.28 is: 3,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.60 : 5,877.90 = 2,690.28 : x
  2. Step 2: Convert to fraction form
    4,260.60/5,877.90 = 2,690.28/x
  3. Step 3: Cross multiply
    4,260.60x = 5,877.90 × 2,690.28
  4. Step 4: Simplify right side
    4,260.60x = 15,813,196.81
  5. Step 5: Solve for x
    x = 15,813,196.81/4,260.60
  6. Step 6: Final answer
    x = 3,711.50

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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.