Home / 2,599.22-3,587.04-1,420.40

Finding the Fourth Proportional to 2,599.22, 3,587.04 and 1,420.40

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Solution

The fourth proportional to 2,599.22, 3,587.04 and 1,420.40 is: 1,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.22 : 3,587.04 = 1,420.40 : x
  2. Step 2: Convert to fraction form
    2,599.22/3,587.04 = 1,420.40/x
  3. Step 3: Cross multiply
    2,599.22x = 3,587.04 × 1,420.40
  4. Step 4: Simplify right side
    2,599.22x = 5,095,031.62
  5. Step 5: Solve for x
    x = 5,095,031.62/2,599.22
  6. Step 6: Final answer
    x = 1,960.22

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1.5x scale

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.