Home / 3,439.53-4,750.41-2,587.28

Finding the Fourth Proportional to 3,439.53, 4,750.41 and 2,587.28

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Solution

The fourth proportional to 3,439.53, 4,750.41 and 2,587.28 is: 3,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.53 : 4,750.41 = 2,587.28 : x
  2. Step 2: Convert to fraction form
    3,439.53/4,750.41 = 2,587.28/x
  3. Step 3: Cross multiply
    3,439.53x = 4,750.41 × 2,587.28
  4. Step 4: Simplify right side
    3,439.53x = 12,290,626.74
  5. Step 5: Solve for x
    x = 12,290,626.74/3,439.53
  6. Step 6: Final answer
    x = 3,573.34

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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.