Home / 3,848.48-5,307.36-2,521.70

Finding the Fourth Proportional to 3,848.48, 5,307.36 and 2,521.70

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Solution

The fourth proportional to 3,848.48, 5,307.36 and 2,521.70 is: 3,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.48 : 5,307.36 = 2,521.70 : x
  2. Step 2: Convert to fraction form
    3,848.48/5,307.36 = 2,521.70/x
  3. Step 3: Cross multiply
    3,848.48x = 5,307.36 × 2,521.70
  4. Step 4: Simplify right side
    3,848.48x = 13,383,569.71
  5. Step 5: Solve for x
    x = 13,383,569.71/3,848.48
  6. Step 6: Final answer
    x = 3,477.62

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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.