Home / 1,410.08-2,114.51-435.95

Finding the Fourth Proportional to 1,410.08, 2,114.51 and 435.95

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Solution

The fourth proportional to 1,410.08, 2,114.51 and 435.95 is: 653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.08 : 2,114.51 = 435.95 : x
  2. Step 2: Convert to fraction form
    1,410.08/2,114.51 = 435.95/x
  3. Step 3: Cross multiply
    1,410.08x = 2,114.51 × 435.95
  4. Step 4: Simplify right side
    1,410.08x = 921,815.81
  5. Step 5: Solve for x
    x = 921,815.81/1,410.08
  6. Step 6: Final answer
    x = 653.74

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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.