Home / 2,470.25-3,406.68-1,931.94

Finding the Fourth Proportional to 2,470.25, 3,406.68 and 1,931.94

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Solution

The fourth proportional to 2,470.25, 3,406.68 and 1,931.94 is: 2,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.25 : 3,406.68 = 1,931.94 : x
  2. Step 2: Convert to fraction form
    2,470.25/3,406.68 = 1,931.94/x
  3. Step 3: Cross multiply
    2,470.25x = 3,406.68 × 1,931.94
  4. Step 4: Simplify right side
    2,470.25x = 6,581,501.36
  5. Step 5: Solve for x
    x = 6,581,501.36/2,470.25
  6. Step 6: Final answer
    x = 2,664.30

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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.