Home / 1,557.70-2,326.45-1,411.16

Finding the Fourth Proportional to 1,557.70, 2,326.45 and 1,411.16

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Solution

The fourth proportional to 1,557.70, 2,326.45 and 1,411.16 is: 2,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.70 : 2,326.45 = 1,411.16 : x
  2. Step 2: Convert to fraction form
    1,557.70/2,326.45 = 1,411.16/x
  3. Step 3: Cross multiply
    1,557.70x = 2,326.45 × 1,411.16
  4. Step 4: Simplify right side
    1,557.70x = 3,282,980.67
  5. Step 5: Solve for x
    x = 3,282,980.67/1,557.70
  6. Step 6: Final answer
    x = 2,107.59

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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.