Home / 2,585.63-3,877.76-1,124.44

Finding the Fourth Proportional to 2,585.63, 3,877.76 and 1,124.44

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Solution

The fourth proportional to 2,585.63, 3,877.76 and 1,124.44 is: 1,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.63 : 3,877.76 = 1,124.44 : x
  2. Step 2: Convert to fraction form
    2,585.63/3,877.76 = 1,124.44/x
  3. Step 3: Cross multiply
    2,585.63x = 3,877.76 × 1,124.44
  4. Step 4: Simplify right side
    2,585.63x = 4,360,301.57
  5. Step 5: Solve for x
    x = 4,360,301.57/2,585.63
  6. Step 6: Final answer
    x = 1,686.36

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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.