Home / 2,624.12-3,621.28-1,445.19

Finding the Fourth Proportional to 2,624.12, 3,621.28 and 1,445.19

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Solution

The fourth proportional to 2,624.12, 3,621.28 and 1,445.19 is: 1,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.12 : 3,621.28 = 1,445.19 : x
  2. Step 2: Convert to fraction form
    2,624.12/3,621.28 = 1,445.19/x
  3. Step 3: Cross multiply
    2,624.12x = 3,621.28 × 1,445.19
  4. Step 4: Simplify right side
    2,624.12x = 5,233,420.11
  5. Step 5: Solve for x
    x = 5,233,420.11/2,624.12
  6. Step 6: Final answer
    x = 1,994.36

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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.