Home / 1,410.16-2,114.56-436.08

Finding the Fourth Proportional to 1,410.16, 2,114.56 and 436.08

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Solution

The fourth proportional to 1,410.16, 2,114.56 and 436.08 is: 653.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.16 : 2,114.56 = 436.08 : x
  2. Step 2: Convert to fraction form
    1,410.16/2,114.56 = 436.08/x
  3. Step 3: Cross multiply
    1,410.16x = 2,114.56 × 436.08
  4. Step 4: Simplify right side
    1,410.16x = 922,117.32
  5. Step 5: Solve for x
    x = 922,117.32/1,410.16
  6. Step 6: Final answer
    x = 653.91

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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.