Home / 2,434.08-3,358.56-1,386.12

Finding the Fourth Proportional to 2,434.08, 3,358.56 and 1,386.12

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Solution

The fourth proportional to 2,434.08, 3,358.56 and 1,386.12 is: 1,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.08 : 3,358.56 = 1,386.12 : x
  2. Step 2: Convert to fraction form
    2,434.08/3,358.56 = 1,386.12/x
  3. Step 3: Cross multiply
    2,434.08x = 3,358.56 × 1,386.12
  4. Step 4: Simplify right side
    2,434.08x = 4,655,367.19
  5. Step 5: Solve for x
    x = 4,655,367.19/2,434.08
  6. Step 6: Final answer
    x = 1,912.58

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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.