Home / 2,438.85-3,364.62-1,802.31

Finding the Fourth Proportional to 2,438.85, 3,364.62 and 1,802.31

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Solution

The fourth proportional to 2,438.85, 3,364.62 and 1,802.31 is: 2,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.85 : 3,364.62 = 1,802.31 : x
  2. Step 2: Convert to fraction form
    2,438.85/3,364.62 = 1,802.31/x
  3. Step 3: Cross multiply
    2,438.85x = 3,364.62 × 1,802.31
  4. Step 4: Simplify right side
    2,438.85x = 6,064,088.27
  5. Step 5: Solve for x
    x = 6,064,088.27/2,438.85
  6. Step 6: Final answer
    x = 2,486.45

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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.