Home / 2,566.08-3,541.20-1,387.16

Finding the Fourth Proportional to 2,566.08, 3,541.20 and 1,387.16

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Solution

The fourth proportional to 2,566.08, 3,541.20 and 1,387.16 is: 1,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566.08 : 3,541.20 = 1,387.16 : x
  2. Step 2: Convert to fraction form
    2,566.08/3,541.20 = 1,387.16/x
  3. Step 3: Cross multiply
    2,566.08x = 3,541.20 × 1,387.16
  4. Step 4: Simplify right side
    2,566.08x = 4,912,193.29
  5. Step 5: Solve for x
    x = 4,912,193.29/2,566.08
  6. Step 6: Final answer
    x = 1,914.28

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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.