Home / 3,575.50-4,934.76-2,159.39

Finding the Fourth Proportional to 3,575.50, 4,934.76 and 2,159.39

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Solution

The fourth proportional to 3,575.50, 4,934.76 and 2,159.39 is: 2,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.50 : 4,934.76 = 2,159.39 : x
  2. Step 2: Convert to fraction form
    3,575.50/4,934.76 = 2,159.39/x
  3. Step 3: Cross multiply
    3,575.50x = 4,934.76 × 2,159.39
  4. Step 4: Simplify right side
    3,575.50x = 10,656,071.40
  5. Step 5: Solve for x
    x = 10,656,071.40/3,575.50
  6. Step 6: Final answer
    x = 2,980.30

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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.