Home / 1,777.08-2,454.06-1,680.12

Finding the Fourth Proportional to 1,777.08, 2,454.06 and 1,680.12

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Solution

The fourth proportional to 1,777.08, 2,454.06 and 1,680.12 is: 2,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777.08 : 2,454.06 = 1,680.12 : x
  2. Step 2: Convert to fraction form
    1,777.08/2,454.06 = 1,680.12/x
  3. Step 3: Cross multiply
    1,777.08x = 2,454.06 × 1,680.12
  4. Step 4: Simplify right side
    1,777.08x = 4,123,115.29
  5. Step 5: Solve for x
    x = 4,123,115.29/1,777.08
  6. Step 6: Final answer
    x = 2,320.16

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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.