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Finding the Fourth Proportional to 2,328.76, 3,488.38 and 1,975.80

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Solution

The fourth proportional to 2,328.76, 3,488.38 and 1,975.80 is: 2,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.76 : 3,488.38 = 1,975.80 : x
  2. Step 2: Convert to fraction form
    2,328.76/3,488.38 = 1,975.80/x
  3. Step 3: Cross multiply
    2,328.76x = 3,488.38 × 1,975.80
  4. Step 4: Simplify right side
    2,328.76x = 6,892,341.20
  5. Step 5: Solve for x
    x = 6,892,341.20/2,328.76
  6. Step 6: Final answer
    x = 2,959.66

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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.