Home / 1,911.08-2,867.50-1,132.63

Finding the Fourth Proportional to 1,911.08, 2,867.50 and 1,132.63

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Solution

The fourth proportional to 1,911.08, 2,867.50 and 1,132.63 is: 1,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.08 : 2,867.50 = 1,132.63 : x
  2. Step 2: Convert to fraction form
    1,911.08/2,867.50 = 1,132.63/x
  3. Step 3: Cross multiply
    1,911.08x = 2,867.50 × 1,132.63
  4. Step 4: Simplify right side
    1,911.08x = 3,247,810.77
  5. Step 5: Solve for x
    x = 3,247,810.77/1,911.08
  6. Step 6: Final answer
    x = 1,699.46

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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.