Home / 2,479.68-3,417.70-2,362.90

Finding the Fourth Proportional to 2,479.68, 3,417.70 and 2,362.90

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Solution

The fourth proportional to 2,479.68, 3,417.70 and 2,362.90 is: 3,256.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.68 : 3,417.70 = 2,362.90 : x
  2. Step 2: Convert to fraction form
    2,479.68/3,417.70 = 2,362.90/x
  3. Step 3: Cross multiply
    2,479.68x = 3,417.70 × 2,362.90
  4. Step 4: Simplify right side
    2,479.68x = 8,075,682.58
  5. Step 5: Solve for x
    x = 8,075,682.58/2,479.68
  6. Step 6: Final answer
    x = 3,256.74

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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.