Home / 2,434.04-3,358.97-1,386.09

Finding the Fourth Proportional to 2,434.04, 3,358.97 and 1,386.09

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Solution

The fourth proportional to 2,434.04, 3,358.97 and 1,386.09 is: 1,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.04 : 3,358.97 = 1,386.09 : x
  2. Step 2: Convert to fraction form
    2,434.04/3,358.97 = 1,386.09/x
  3. Step 3: Cross multiply
    2,434.04x = 3,358.97 × 1,386.09
  4. Step 4: Simplify right side
    2,434.04x = 4,655,827.80
  5. Step 5: Solve for x
    x = 4,655,827.80/2,434.04
  6. Step 6: Final answer
    x = 1,912.80

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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.