Home / 1,557.84-2,326.79-1,339.14

Finding the Fourth Proportional to 1,557.84, 2,326.79 and 1,339.14

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Solution

The fourth proportional to 1,557.84, 2,326.79 and 1,339.14 is: 2,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.84 : 2,326.79 = 1,339.14 : x
  2. Step 2: Convert to fraction form
    1,557.84/2,326.79 = 1,339.14/x
  3. Step 3: Cross multiply
    1,557.84x = 2,326.79 × 1,339.14
  4. Step 4: Simplify right side
    1,557.84x = 3,115,890.86
  5. Step 5: Solve for x
    x = 3,115,890.86/1,557.84
  6. Step 6: Final answer
    x = 2,000.14

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1.5x scale

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.