Home / 1,526.58-2,290.18-486.55

Finding the Fourth Proportional to 1,526.58, 2,290.18 and 486.55

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Solution

The fourth proportional to 1,526.58, 2,290.18 and 486.55 is: 729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.58 : 2,290.18 = 486.55 : x
  2. Step 2: Convert to fraction form
    1,526.58/2,290.18 = 486.55/x
  3. Step 3: Cross multiply
    1,526.58x = 2,290.18 × 486.55
  4. Step 4: Simplify right side
    1,526.58x = 1,114,290.55
  5. Step 5: Solve for x
    x = 1,114,290.55/1,526.58
  6. Step 6: Final answer
    x = 729.92

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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.