Home / 3,312.90-4,569.12-2,053.08

Finding the Fourth Proportional to 3,312.90, 4,569.12 and 2,053.08

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Solution

The fourth proportional to 3,312.90, 4,569.12 and 2,053.08 is: 2,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.90 : 4,569.12 = 2,053.08 : x
  2. Step 2: Convert to fraction form
    3,312.90/4,569.12 = 2,053.08/x
  3. Step 3: Cross multiply
    3,312.90x = 4,569.12 × 2,053.08
  4. Step 4: Simplify right side
    3,312.90x = 9,380,768.89
  5. Step 5: Solve for x
    x = 9,380,768.89/3,312.90
  6. Step 6: Final answer
    x = 2,831.59

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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.