Home / 1,570.31-2,341.73-1,376.21

Finding the Fourth Proportional to 1,570.31, 2,341.73 and 1,376.21

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Solution

The fourth proportional to 1,570.31, 2,341.73 and 1,376.21 is: 2,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.31 : 2,341.73 = 1,376.21 : x
  2. Step 2: Convert to fraction form
    1,570.31/2,341.73 = 1,376.21/x
  3. Step 3: Cross multiply
    1,570.31x = 2,341.73 × 1,376.21
  4. Step 4: Simplify right side
    1,570.31x = 3,222,712.24
  5. Step 5: Solve for x
    x = 3,222,712.24/1,570.31
  6. Step 6: Final answer
    x = 2,052.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.