Home / 2,433.38-3,358.67-1,386.05

Finding the Fourth Proportional to 2,433.38, 3,358.67 and 1,386.05

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Solution

The fourth proportional to 2,433.38, 3,358.67 and 1,386.05 is: 1,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.38 : 3,358.67 = 1,386.05 : x
  2. Step 2: Convert to fraction form
    2,433.38/3,358.67 = 1,386.05/x
  3. Step 3: Cross multiply
    2,433.38x = 3,358.67 × 1,386.05
  4. Step 4: Simplify right side
    2,433.38x = 4,655,260.83
  5. Step 5: Solve for x
    x = 4,655,260.83/2,433.38
  6. Step 6: Final answer
    x = 1,913.09

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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.