Home / 1,574.23-2,170.81-1,350.93

Finding the Fourth Proportional to 1,574.23, 2,170.81 and 1,350.93

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Solution

The fourth proportional to 1,574.23, 2,170.81 and 1,350.93 is: 1,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.23 : 2,170.81 = 1,350.93 : x
  2. Step 2: Convert to fraction form
    1,574.23/2,170.81 = 1,350.93/x
  3. Step 3: Cross multiply
    1,574.23x = 2,170.81 × 1,350.93
  4. Step 4: Simplify right side
    1,574.23x = 2,932,612.35
  5. Step 5: Solve for x
    x = 2,932,612.35/1,574.23
  6. Step 6: Final answer
    x = 1,862.89

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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.