Home / 2,900.61-4,347.35-1,338.45

Finding the Fourth Proportional to 2,900.61, 4,347.35 and 1,338.45

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Solution

The fourth proportional to 2,900.61, 4,347.35 and 1,338.45 is: 2,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.61 : 4,347.35 = 1,338.45 : x
  2. Step 2: Convert to fraction form
    2,900.61/4,347.35 = 1,338.45/x
  3. Step 3: Cross multiply
    2,900.61x = 4,347.35 × 1,338.45
  4. Step 4: Simplify right side
    2,900.61x = 5,818,682.18
  5. Step 5: Solve for x
    x = 5,818,682.18/2,900.61
  6. Step 6: Final answer
    x = 2,006.02

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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.