Home / 2,363.77-3,261.93-1,420.12

Finding the Fourth Proportional to 2,363.77, 3,261.93 and 1,420.12

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Solution

The fourth proportional to 2,363.77, 3,261.93 and 1,420.12 is: 1,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.77 : 3,261.93 = 1,420.12 : x
  2. Step 2: Convert to fraction form
    2,363.77/3,261.93 = 1,420.12/x
  3. Step 3: Cross multiply
    2,363.77x = 3,261.93 × 1,420.12
  4. Step 4: Simplify right side
    2,363.77x = 4,632,332.03
  5. Step 5: Solve for x
    x = 4,632,332.03/2,363.77
  6. Step 6: Final answer
    x = 1,959.72

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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.