Home / 1,908.17-2,847.61-1,897.22

Finding the Fourth Proportional to 1,908.17, 2,847.61 and 1,897.22

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Solution

The fourth proportional to 1,908.17, 2,847.61 and 1,897.22 is: 2,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.17 : 2,847.61 = 1,897.22 : x
  2. Step 2: Convert to fraction form
    1,908.17/2,847.61 = 1,897.22/x
  3. Step 3: Cross multiply
    1,908.17x = 2,847.61 × 1,897.22
  4. Step 4: Simplify right side
    1,908.17x = 5,402,533.16
  5. Step 5: Solve for x
    x = 5,402,533.16/1,908.17
  6. Step 6: Final answer
    x = 2,831.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.