Home / 2,566.10-3,541.22-1,387.17

Finding the Fourth Proportional to 2,566.10, 3,541.22 and 1,387.17

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Solution

The fourth proportional to 2,566.10, 3,541.22 and 1,387.17 is: 1,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.10 : 3,541.22 = 1,387.17 : x
  2. Step 2: Convert to fraction form
    2,566.10/3,541.22 = 1,387.17/x
  3. Step 3: Cross multiply
    2,566.10x = 3,541.22 × 1,387.17
  4. Step 4: Simplify right side
    2,566.10x = 4,912,267.21
  5. Step 5: Solve for x
    x = 4,912,267.21/2,566.10
  6. Step 6: Final answer
    x = 1,914.29

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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.