Home / 2,434.18-3,359-1,386.22

Finding the Fourth Proportional to 2,434.18, 3,359 and 1,386.22

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Solution

The fourth proportional to 2,434.18, 3,359 and 1,386.22 is: 1,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.18 : 3,359 = 1,386.22 : x
  2. Step 2: Convert to fraction form
    2,434.18/3,359 = 1,386.22/x
  3. Step 3: Cross multiply
    2,434.18x = 3,359 × 1,386.22
  4. Step 4: Simplify right side
    2,434.18x = 4,656,312.98
  5. Step 5: Solve for x
    x = 4,656,312.98/2,434.18
  6. Step 6: Final answer
    x = 1,912.89

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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.