Home / 2,127-3,191.04-1,250.24

Finding the Fourth Proportional to 2,127, 3,191.04 and 1,250.24

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Solution

The fourth proportional to 2,127, 3,191.04 and 1,250.24 is: 1,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127 : 3,191.04 = 1,250.24 : x
  2. Step 2: Convert to fraction form
    2,127/3,191.04 = 1,250.24/x
  3. Step 3: Cross multiply
    2,127x = 3,191.04 × 1,250.24
  4. Step 4: Simplify right side
    2,127x = 3,989,559.60
  5. Step 5: Solve for x
    x = 3,989,559.60/2,127
  6. Step 6: Final answer
    x = 1,875.67

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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.