Home / 1,585.16-2,188.29-1,054.93

Finding the Fourth Proportional to 1,585.16, 2,188.29 and 1,054.93

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Solution

The fourth proportional to 1,585.16, 2,188.29 and 1,054.93 is: 1,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.16 : 2,188.29 = 1,054.93 : x
  2. Step 2: Convert to fraction form
    1,585.16/2,188.29 = 1,054.93/x
  3. Step 3: Cross multiply
    1,585.16x = 2,188.29 × 1,054.93
  4. Step 4: Simplify right side
    1,585.16x = 2,308,487.30
  5. Step 5: Solve for x
    x = 2,308,487.30/1,585.16
  6. Step 6: Final answer
    x = 1,456.31

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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.