Home / 2,557.18-3,530.42-2,409.56

Finding the Fourth Proportional to 2,557.18, 3,530.42 and 2,409.56

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Solution

The fourth proportional to 2,557.18, 3,530.42 and 2,409.56 is: 3,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.18 : 3,530.42 = 2,409.56 : x
  2. Step 2: Convert to fraction form
    2,557.18/3,530.42 = 2,409.56/x
  3. Step 3: Cross multiply
    2,557.18x = 3,530.42 × 2,409.56
  4. Step 4: Simplify right side
    2,557.18x = 8,506,746.77
  5. Step 5: Solve for x
    x = 8,506,746.77/2,557.18
  6. Step 6: Final answer
    x = 3,326.61

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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.