Home / 2,068.88-2,860.45-1,977.08

Finding the Fourth Proportional to 2,068.88, 2,860.45 and 1,977.08

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Solution

The fourth proportional to 2,068.88, 2,860.45 and 1,977.08 is: 2,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.88 : 2,860.45 = 1,977.08 : x
  2. Step 2: Convert to fraction form
    2,068.88/2,860.45 = 1,977.08/x
  3. Step 3: Cross multiply
    2,068.88x = 2,860.45 × 1,977.08
  4. Step 4: Simplify right side
    2,068.88x = 5,655,319.24
  5. Step 5: Solve for x
    x = 5,655,319.24/2,068.88
  6. Step 6: Final answer
    x = 2,733.52

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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.