Home / 2,900.88-4,347.47-1,515.38

Finding the Fourth Proportional to 2,900.88, 4,347.47 and 1,515.38

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Solution

The fourth proportional to 2,900.88, 4,347.47 and 1,515.38 is: 2,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.88 : 4,347.47 = 1,515.38 : x
  2. Step 2: Convert to fraction form
    2,900.88/4,347.47 = 1,515.38/x
  3. Step 3: Cross multiply
    2,900.88x = 4,347.47 × 1,515.38
  4. Step 4: Simplify right side
    2,900.88x = 6,588,051.14
  5. Step 5: Solve for x
    x = 6,588,051.14/2,900.88
  6. Step 6: Final answer
    x = 2,271.05

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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.