Home / 3,513.15-4,840.65-2,881.53

Finding the Fourth Proportional to 3,513.15, 4,840.65 and 2,881.53

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Solution

The fourth proportional to 3,513.15, 4,840.65 and 2,881.53 is: 3,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.15 : 4,840.65 = 2,881.53 : x
  2. Step 2: Convert to fraction form
    3,513.15/4,840.65 = 2,881.53/x
  3. Step 3: Cross multiply
    3,513.15x = 4,840.65 × 2,881.53
  4. Step 4: Simplify right side
    3,513.15x = 13,948,478.19
  5. Step 5: Solve for x
    x = 13,948,478.19/3,513.15
  6. Step 6: Final answer
    x = 3,970.36

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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.