Home / 3,528.76-5,293.02-1,680.76

Finding the Fourth Proportional to 3,528.76, 5,293.02 and 1,680.76

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Solution

The fourth proportional to 3,528.76, 5,293.02 and 1,680.76 is: 2,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.76 : 5,293.02 = 1,680.76 : x
  2. Step 2: Convert to fraction form
    3,528.76/5,293.02 = 1,680.76/x
  3. Step 3: Cross multiply
    3,528.76x = 5,293.02 × 1,680.76
  4. Step 4: Simplify right side
    3,528.76x = 8,896,296.30
  5. Step 5: Solve for x
    x = 8,896,296.30/3,528.76
  6. Step 6: Final answer
    x = 2,521.08

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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.