Home / 2,688.50-4,030.86-1,044.92

Finding the Fourth Proportional to 2,688.50, 4,030.86 and 1,044.92

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Solution

The fourth proportional to 2,688.50, 4,030.86 and 1,044.92 is: 1,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.50 : 4,030.86 = 1,044.92 : x
  2. Step 2: Convert to fraction form
    2,688.50/4,030.86 = 1,044.92/x
  3. Step 3: Cross multiply
    2,688.50x = 4,030.86 × 1,044.92
  4. Step 4: Simplify right side
    2,688.50x = 4,211,926.23
  5. Step 5: Solve for x
    x = 4,211,926.23/2,688.50
  6. Step 6: Final answer
    x = 1,566.65

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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.