Home / 1,887.10-2,831.29-588.60

Finding the Fourth Proportional to 1,887.10, 2,831.29 and 588.60

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Solution

The fourth proportional to 1,887.10, 2,831.29 and 588.60 is: 883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.10 : 2,831.29 = 588.60 : x
  2. Step 2: Convert to fraction form
    1,887.10/2,831.29 = 588.60/x
  3. Step 3: Cross multiply
    1,887.10x = 2,831.29 × 588.60
  4. Step 4: Simplify right side
    1,887.10x = 1,666,495.82
  5. Step 5: Solve for x
    x = 1,666,495.82/1,887.10
  6. Step 6: Final answer
    x = 883.10

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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.