Home / 2,130.93-3,191.04-1,348.56

Finding the Fourth Proportional to 2,130.93, 3,191.04 and 1,348.56

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Solution

The fourth proportional to 2,130.93, 3,191.04 and 1,348.56 is: 2,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.93 : 3,191.04 = 1,348.56 : x
  2. Step 2: Convert to fraction form
    2,130.93/3,191.04 = 1,348.56/x
  3. Step 3: Cross multiply
    2,130.93x = 3,191.04 × 1,348.56
  4. Step 4: Simplify right side
    2,130.93x = 4,303,308.90
  5. Step 5: Solve for x
    x = 4,303,308.90/2,130.93
  6. Step 6: Final answer
    x = 2,019.45

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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.