Home / 3,134.31-4,325.16-1,790.07

Finding the Fourth Proportional to 3,134.31, 4,325.16 and 1,790.07

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Solution

The fourth proportional to 3,134.31, 4,325.16 and 1,790.07 is: 2,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.31 : 4,325.16 = 1,790.07 : x
  2. Step 2: Convert to fraction form
    3,134.31/4,325.16 = 1,790.07/x
  3. Step 3: Cross multiply
    3,134.31x = 4,325.16 × 1,790.07
  4. Step 4: Simplify right side
    3,134.31x = 7,742,348.67
  5. Step 5: Solve for x
    x = 7,742,348.67/3,134.31
  6. Step 6: Final answer
    x = 2,470.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.