Home / 2,070.74-2,855.58-1,755.66

Finding the Fourth Proportional to 2,070.74, 2,855.58 and 1,755.66

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Solution

The fourth proportional to 2,070.74, 2,855.58 and 1,755.66 is: 2,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.74 : 2,855.58 = 1,755.66 : x
  2. Step 2: Convert to fraction form
    2,070.74/2,855.58 = 1,755.66/x
  3. Step 3: Cross multiply
    2,070.74x = 2,855.58 × 1,755.66
  4. Step 4: Simplify right side
    2,070.74x = 5,013,427.58
  5. Step 5: Solve for x
    x = 5,013,427.58/2,070.74
  6. Step 6: Final answer
    x = 2,421.08

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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.