Home / 2,887.81-4,332.63-1,132.75

Finding the Fourth Proportional to 2,887.81, 4,332.63 and 1,132.75

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Solution

The fourth proportional to 2,887.81, 4,332.63 and 1,132.75 is: 1,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.81 : 4,332.63 = 1,132.75 : x
  2. Step 2: Convert to fraction form
    2,887.81/4,332.63 = 1,132.75/x
  3. Step 3: Cross multiply
    2,887.81x = 4,332.63 × 1,132.75
  4. Step 4: Simplify right side
    2,887.81x = 4,907,786.63
  5. Step 5: Solve for x
    x = 4,907,786.63/2,887.81
  6. Step 6: Final answer
    x = 1,699.48

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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.