Home / 2,580.40-3,868.26-1,656.22

Finding the Fourth Proportional to 2,580.40, 3,868.26 and 1,656.22

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Solution

The fourth proportional to 2,580.40, 3,868.26 and 1,656.22 is: 2,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.40 : 3,868.26 = 1,656.22 : x
  2. Step 2: Convert to fraction form
    2,580.40/3,868.26 = 1,656.22/x
  3. Step 3: Cross multiply
    2,580.40x = 3,868.26 × 1,656.22
  4. Step 4: Simplify right side
    2,580.40x = 6,406,689.58
  5. Step 5: Solve for x
    x = 6,406,689.58/2,580.40
  6. Step 6: Final answer
    x = 2,482.83

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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.