Home / 3,613.30-4,988.67-2,951.74

Finding the Fourth Proportional to 3,613.30, 4,988.67 and 2,951.74

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Solution

The fourth proportional to 3,613.30, 4,988.67 and 2,951.74 is: 4,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.30 : 4,988.67 = 2,951.74 : x
  2. Step 2: Convert to fraction form
    3,613.30/4,988.67 = 2,951.74/x
  3. Step 3: Cross multiply
    3,613.30x = 4,988.67 × 2,951.74
  4. Step 4: Simplify right side
    3,613.30x = 14,725,256.79
  5. Step 5: Solve for x
    x = 14,725,256.79/3,613.30
  6. Step 6: Final answer
    x = 4,075.29

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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.