Home / 2,599.95-3,587.93-1,421.03

Finding the Fourth Proportional to 2,599.95, 3,587.93 and 1,421.03

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Solution

The fourth proportional to 2,599.95, 3,587.93 and 1,421.03 is: 1,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.95 : 3,587.93 = 1,421.03 : x
  2. Step 2: Convert to fraction form
    2,599.95/3,587.93 = 1,421.03/x
  3. Step 3: Cross multiply
    2,599.95x = 3,587.93 × 1,421.03
  4. Step 4: Simplify right side
    2,599.95x = 5,098,531.12
  5. Step 5: Solve for x
    x = 5,098,531.12/2,599.95
  6. Step 6: Final answer
    x = 1,961.01

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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.