Home / 3,419.27-5,130.65-1,570.19

Finding the Fourth Proportional to 3,419.27, 5,130.65 and 1,570.19

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Solution

The fourth proportional to 3,419.27, 5,130.65 and 1,570.19 is: 2,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.27 : 5,130.65 = 1,570.19 : x
  2. Step 2: Convert to fraction form
    3,419.27/5,130.65 = 1,570.19/x
  3. Step 3: Cross multiply
    3,419.27x = 5,130.65 × 1,570.19
  4. Step 4: Simplify right side
    3,419.27x = 8,056,087.47
  5. Step 5: Solve for x
    x = 8,056,087.47/3,419.27
  6. Step 6: Final answer
    x = 2,356.08

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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.