Home / 1,374.04-2,046.78-1,299.52

Finding the Fourth Proportional to 1,374.04, 2,046.78 and 1,299.52

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Solution

The fourth proportional to 1,374.04, 2,046.78 and 1,299.52 is: 1,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.04 : 2,046.78 = 1,299.52 : x
  2. Step 2: Convert to fraction form
    1,374.04/2,046.78 = 1,299.52/x
  3. Step 3: Cross multiply
    1,374.04x = 2,046.78 × 1,299.52
  4. Step 4: Simplify right side
    1,374.04x = 2,659,831.55
  5. Step 5: Solve for x
    x = 2,659,831.55/1,374.04
  6. Step 6: Final answer
    x = 1,935.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.