Home / 1,702.72-2,349.93-1,144.35

Finding the Fourth Proportional to 1,702.72, 2,349.93 and 1,144.35

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Solution

The fourth proportional to 1,702.72, 2,349.93 and 1,144.35 is: 1,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.72 : 2,349.93 = 1,144.35 : x
  2. Step 2: Convert to fraction form
    1,702.72/2,349.93 = 1,144.35/x
  3. Step 3: Cross multiply
    1,702.72x = 2,349.93 × 1,144.35
  4. Step 4: Simplify right side
    1,702.72x = 2,689,146.92
  5. Step 5: Solve for x
    x = 2,689,146.92/1,702.72
  6. Step 6: Final answer
    x = 1,579.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.