Home / 2,988.78-4,484.61-1,346.46

Finding the Fourth Proportional to 2,988.78, 4,484.61 and 1,346.46

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Solution

The fourth proportional to 2,988.78, 4,484.61 and 1,346.46 is: 2,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.78 : 4,484.61 = 1,346.46 : x
  2. Step 2: Convert to fraction form
    2,988.78/4,484.61 = 1,346.46/x
  3. Step 3: Cross multiply
    2,988.78x = 4,484.61 × 1,346.46
  4. Step 4: Simplify right side
    2,988.78x = 6,038,347.98
  5. Step 5: Solve for x
    x = 6,038,347.98/2,988.78
  6. Step 6: Final answer
    x = 2,020.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.