Home / 1,887.12-2,831.06-588.64

Finding the Fourth Proportional to 1,887.12, 2,831.06 and 588.64

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Solution

The fourth proportional to 1,887.12, 2,831.06 and 588.64 is: 883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.12 : 2,831.06 = 588.64 : x
  2. Step 2: Convert to fraction form
    1,887.12/2,831.06 = 588.64/x
  3. Step 3: Cross multiply
    1,887.12x = 2,831.06 × 588.64
  4. Step 4: Simplify right side
    1,887.12x = 1,666,475.16
  5. Step 5: Solve for x
    x = 1,666,475.16/1,887.12
  6. Step 6: Final answer
    x = 883.08

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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.