Home / 1,756.60-2,421.88-1,125.99

Finding the Fourth Proportional to 1,756.60, 2,421.88 and 1,125.99

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Solution

The fourth proportional to 1,756.60, 2,421.88 and 1,125.99 is: 1,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.60 : 2,421.88 = 1,125.99 : x
  2. Step 2: Convert to fraction form
    1,756.60/2,421.88 = 1,125.99/x
  3. Step 3: Cross multiply
    1,756.60x = 2,421.88 × 1,125.99
  4. Step 4: Simplify right side
    1,756.60x = 2,727,009.85
  5. Step 5: Solve for x
    x = 2,727,009.85/1,756.60
  6. Step 6: Final answer
    x = 1,552.44

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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.