Home / 3,038.10-4,557.28-1,479.39

Finding the Fourth Proportional to 3,038.10, 4,557.28 and 1,479.39

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Solution

The fourth proportional to 3,038.10, 4,557.28 and 1,479.39 is: 2,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.10 : 4,557.28 = 1,479.39 : x
  2. Step 2: Convert to fraction form
    3,038.10/4,557.28 = 1,479.39/x
  3. Step 3: Cross multiply
    3,038.10x = 4,557.28 × 1,479.39
  4. Step 4: Simplify right side
    3,038.10x = 6,741,994.46
  5. Step 5: Solve for x
    x = 6,741,994.46/3,038.10
  6. Step 6: Final answer
    x = 2,219.15

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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.