Home / 1,955.49-2,931.19-1,434.71

Finding the Fourth Proportional to 1,955.49, 2,931.19 and 1,434.71

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Solution

The fourth proportional to 1,955.49, 2,931.19 and 1,434.71 is: 2,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.49 : 2,931.19 = 1,434.71 : x
  2. Step 2: Convert to fraction form
    1,955.49/2,931.19 = 1,434.71/x
  3. Step 3: Cross multiply
    1,955.49x = 2,931.19 × 1,434.71
  4. Step 4: Simplify right side
    1,955.49x = 4,205,411.35
  5. Step 5: Solve for x
    x = 4,205,411.35/1,955.49
  6. Step 6: Final answer
    x = 2,150.56

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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.