Home / 2,434.95-3,359.88-1,386.99

Finding the Fourth Proportional to 2,434.95, 3,359.88 and 1,386.99

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Solution

The fourth proportional to 2,434.95, 3,359.88 and 1,386.99 is: 1,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.95 : 3,359.88 = 1,386.99 : x
  2. Step 2: Convert to fraction form
    2,434.95/3,359.88 = 1,386.99/x
  3. Step 3: Cross multiply
    2,434.95x = 3,359.88 × 1,386.99
  4. Step 4: Simplify right side
    2,434.95x = 4,660,119.96
  5. Step 5: Solve for x
    x = 4,660,119.96/2,434.95
  6. Step 6: Final answer
    x = 1,913.85

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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.