Home / 1,526.21-2,107.66-1,303.86

Finding the Fourth Proportional to 1,526.21, 2,107.66 and 1,303.86

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Solution

The fourth proportional to 1,526.21, 2,107.66 and 1,303.86 is: 1,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.21 : 2,107.66 = 1,303.86 : x
  2. Step 2: Convert to fraction form
    1,526.21/2,107.66 = 1,303.86/x
  3. Step 3: Cross multiply
    1,526.21x = 2,107.66 × 1,303.86
  4. Step 4: Simplify right side
    1,526.21x = 2,748,093.57
  5. Step 5: Solve for x
    x = 2,748,093.57/1,526.21
  6. Step 6: Final answer
    x = 1,800.60

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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.