Home / 2,588.40-3,568.68-1,702.80

Finding the Fourth Proportional to 2,588.40, 3,568.68 and 1,702.80

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Solution

The fourth proportional to 2,588.40, 3,568.68 and 1,702.80 is: 2,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.40 : 3,568.68 = 1,702.80 : x
  2. Step 2: Convert to fraction form
    2,588.40/3,568.68 = 1,702.80/x
  3. Step 3: Cross multiply
    2,588.40x = 3,568.68 × 1,702.80
  4. Step 4: Simplify right side
    2,588.40x = 6,076,748.30
  5. Step 5: Solve for x
    x = 6,076,748.30/2,588.40
  6. Step 6: Final answer
    x = 2,347.69

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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.