Home / 4,280.18-5,904.19-2,686.20

Finding the Fourth Proportional to 4,280.18, 5,904.19 and 2,686.20

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Solution

The fourth proportional to 4,280.18, 5,904.19 and 2,686.20 is: 3,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.18 : 5,904.19 = 2,686.20 : x
  2. Step 2: Convert to fraction form
    4,280.18/5,904.19 = 2,686.20/x
  3. Step 3: Cross multiply
    4,280.18x = 5,904.19 × 2,686.20
  4. Step 4: Simplify right side
    4,280.18x = 15,859,816.40
  5. Step 5: Solve for x
    x = 15,859,816.40/4,280.18
  6. Step 6: Final answer
    x = 3,705.41

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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.