Home / 2,434.54-3,359.87-1,386.67

Finding the Fourth Proportional to 2,434.54, 3,359.87 and 1,386.67

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Solution

The fourth proportional to 2,434.54, 3,359.87 and 1,386.67 is: 1,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.54 : 3,359.87 = 1,386.67 : x
  2. Step 2: Convert to fraction form
    2,434.54/3,359.87 = 1,386.67/x
  3. Step 3: Cross multiply
    2,434.54x = 3,359.87 × 1,386.67
  4. Step 4: Simplify right side
    2,434.54x = 4,659,030.93
  5. Step 5: Solve for x
    x = 4,659,030.93/2,434.54
  6. Step 6: Final answer
    x = 1,913.72

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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.