Home / 1,526.40-2,289.12-877.44

Finding the Fourth Proportional to 1,526.40, 2,289.12 and 877.44

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Solution

The fourth proportional to 1,526.40, 2,289.12 and 877.44 is: 1,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.40 : 2,289.12 = 877.44 : x
  2. Step 2: Convert to fraction form
    1,526.40/2,289.12 = 877.44/x
  3. Step 3: Cross multiply
    1,526.40x = 2,289.12 × 877.44
  4. Step 4: Simplify right side
    1,526.40x = 2,008,565.45
  5. Step 5: Solve for x
    x = 2,008,565.45/1,526.40
  6. Step 6: Final answer
    x = 1,315.88

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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.