Home / 1,837.16-2,756.14-538.72

Finding the Fourth Proportional to 1,837.16, 2,756.14 and 538.72

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Solution

The fourth proportional to 1,837.16, 2,756.14 and 538.72 is: 808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.16 : 2,756.14 = 538.72 : x
  2. Step 2: Convert to fraction form
    1,837.16/2,756.14 = 538.72/x
  3. Step 3: Cross multiply
    1,837.16x = 2,756.14 × 538.72
  4. Step 4: Simplify right side
    1,837.16x = 1,484,787.74
  5. Step 5: Solve for x
    x = 1,484,787.74/1,837.16
  6. Step 6: Final answer
    x = 808.20

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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.