Home / 3,848.60-5,312.40-2,434.65

Finding the Fourth Proportional to 3,848.60, 5,312.40 and 2,434.65

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Solution

The fourth proportional to 3,848.60, 5,312.40 and 2,434.65 is: 3,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.60 : 5,312.40 = 2,434.65 : x
  2. Step 2: Convert to fraction form
    3,848.60/5,312.40 = 2,434.65/x
  3. Step 3: Cross multiply
    3,848.60x = 5,312.40 × 2,434.65
  4. Step 4: Simplify right side
    3,848.60x = 12,933,834.66
  5. Step 5: Solve for x
    x = 12,933,834.66/3,848.60
  6. Step 6: Final answer
    x = 3,360.66

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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.