Home / 2,854.79-4,284.61-1,124.63

Finding the Fourth Proportional to 2,854.79, 4,284.61 and 1,124.63

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Solution

The fourth proportional to 2,854.79, 4,284.61 and 1,124.63 is: 1,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.79 : 4,284.61 = 1,124.63 : x
  2. Step 2: Convert to fraction form
    2,854.79/4,284.61 = 1,124.63/x
  3. Step 3: Cross multiply
    2,854.79x = 4,284.61 × 1,124.63
  4. Step 4: Simplify right side
    2,854.79x = 4,818,576.71
  5. Step 5: Solve for x
    x = 4,818,576.71/2,854.79
  6. Step 6: Final answer
    x = 1,687.89

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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.