Home / 1,554.48-2,320.14-1,398.96

Finding the Fourth Proportional to 1,554.48, 2,320.14 and 1,398.96

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Solution

The fourth proportional to 1,554.48, 2,320.14 and 1,398.96 is: 2,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.48 : 2,320.14 = 1,398.96 : x
  2. Step 2: Convert to fraction form
    1,554.48/2,320.14 = 1,398.96/x
  3. Step 3: Cross multiply
    1,554.48x = 2,320.14 × 1,398.96
  4. Step 4: Simplify right side
    1,554.48x = 3,245,783.05
  5. Step 5: Solve for x
    x = 3,245,783.05/1,554.48
  6. Step 6: Final answer
    x = 2,088.02

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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.