Home / 2,599.11-3,898.80-1,300.14

Finding the Fourth Proportional to 2,599.11, 3,898.80 and 1,300.14

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Solution

The fourth proportional to 2,599.11, 3,898.80 and 1,300.14 is: 1,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.11 : 3,898.80 = 1,300.14 : x
  2. Step 2: Convert to fraction form
    2,599.11/3,898.80 = 1,300.14/x
  3. Step 3: Cross multiply
    2,599.11x = 3,898.80 × 1,300.14
  4. Step 4: Simplify right side
    2,599.11x = 5,068,985.83
  5. Step 5: Solve for x
    x = 5,068,985.83/2,599.11
  6. Step 6: Final answer
    x = 1,950.28

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1.5x scale

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.