Home / 2,688.94-4,031.68-1,044.13

Finding the Fourth Proportional to 2,688.94, 4,031.68 and 1,044.13

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Solution

The fourth proportional to 2,688.94, 4,031.68 and 1,044.13 is: 1,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.94 : 4,031.68 = 1,044.13 : x
  2. Step 2: Convert to fraction form
    2,688.94/4,031.68 = 1,044.13/x
  3. Step 3: Cross multiply
    2,688.94x = 4,031.68 × 1,044.13
  4. Step 4: Simplify right side
    2,688.94x = 4,209,598.04
  5. Step 5: Solve for x
    x = 4,209,598.04/2,688.94
  6. Step 6: Final answer
    x = 1,565.53

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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.