Home / 2,985.17-4,118.34-1,725.99

Finding the Fourth Proportional to 2,985.17, 4,118.34 and 1,725.99

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Solution

The fourth proportional to 2,985.17, 4,118.34 and 1,725.99 is: 2,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.17 : 4,118.34 = 1,725.99 : x
  2. Step 2: Convert to fraction form
    2,985.17/4,118.34 = 1,725.99/x
  3. Step 3: Cross multiply
    2,985.17x = 4,118.34 × 1,725.99
  4. Step 4: Simplify right side
    2,985.17x = 7,108,204.69
  5. Step 5: Solve for x
    x = 7,108,204.69/2,985.17
  6. Step 6: Final answer
    x = 2,381.18

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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.