Home / 2,275.92-3,417.84-2,159.10

Finding the Fourth Proportional to 2,275.92, 3,417.84 and 2,159.10

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Solution

The fourth proportional to 2,275.92, 3,417.84 and 2,159.10 is: 3,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.92 : 3,417.84 = 2,159.10 : x
  2. Step 2: Convert to fraction form
    2,275.92/3,417.84 = 2,159.10/x
  3. Step 3: Cross multiply
    2,275.92x = 3,417.84 × 2,159.10
  4. Step 4: Simplify right side
    2,275.92x = 7,379,458.34
  5. Step 5: Solve for x
    x = 7,379,458.34/2,275.92
  6. Step 6: Final answer
    x = 3,242.41

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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.