Home / 2,599.35-3,587-1,420.47

Finding the Fourth Proportional to 2,599.35, 3,587 and 1,420.47

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Solution

The fourth proportional to 2,599.35, 3,587 and 1,420.47 is: 1,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.35 : 3,587 = 1,420.47 : x
  2. Step 2: Convert to fraction form
    2,599.35/3,587 = 1,420.47/x
  3. Step 3: Cross multiply
    2,599.35x = 3,587 × 1,420.47
  4. Step 4: Simplify right side
    2,599.35x = 5,095,225.89
  5. Step 5: Solve for x
    x = 5,095,225.89/2,599.35
  6. Step 6: Final answer
    x = 1,960.19

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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.