Home / 1,585.32-2,377.08-1,326.93

Finding the Fourth Proportional to 1,585.32, 2,377.08 and 1,326.93

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Solution

The fourth proportional to 1,585.32, 2,377.08 and 1,326.93 is: 1,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.32 : 2,377.08 = 1,326.93 : x
  2. Step 2: Convert to fraction form
    1,585.32/2,377.08 = 1,326.93/x
  3. Step 3: Cross multiply
    1,585.32x = 2,377.08 × 1,326.93
  4. Step 4: Simplify right side
    1,585.32x = 3,154,218.76
  5. Step 5: Solve for x
    x = 3,154,218.76/1,585.32
  6. Step 6: Final answer
    x = 1,989.64

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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.