Home / 2,702.40-4,055.19-1,142.29

Finding the Fourth Proportional to 2,702.40, 4,055.19 and 1,142.29

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Solution

The fourth proportional to 2,702.40, 4,055.19 and 1,142.29 is: 1,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.40 : 4,055.19 = 1,142.29 : x
  2. Step 2: Convert to fraction form
    2,702.40/4,055.19 = 1,142.29/x
  3. Step 3: Cross multiply
    2,702.40x = 4,055.19 × 1,142.29
  4. Step 4: Simplify right side
    2,702.40x = 4,632,203.77
  5. Step 5: Solve for x
    x = 4,632,203.77/2,702.40
  6. Step 6: Final answer
    x = 1,714.11

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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.