Home / 2,280.07-3,415.47-1,695.70

Finding the Fourth Proportional to 2,280.07, 3,415.47 and 1,695.70

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Solution

The fourth proportional to 2,280.07, 3,415.47 and 1,695.70 is: 2,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.07 : 3,415.47 = 1,695.70 : x
  2. Step 2: Convert to fraction form
    2,280.07/3,415.47 = 1,695.70/x
  3. Step 3: Cross multiply
    2,280.07x = 3,415.47 × 1,695.70
  4. Step 4: Simplify right side
    2,280.07x = 5,791,612.48
  5. Step 5: Solve for x
    x = 5,791,612.48/2,280.07
  6. Step 6: Final answer
    x = 2,540.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.