Home / 3,077.95-4,587.68-2,902.81

Finding the Fourth Proportional to 3,077.95, 4,587.68 and 2,902.81

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Solution

The fourth proportional to 3,077.95, 4,587.68 and 2,902.81 is: 4,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.95 : 4,587.68 = 2,902.81 : x
  2. Step 2: Convert to fraction form
    3,077.95/4,587.68 = 2,902.81/x
  3. Step 3: Cross multiply
    3,077.95x = 4,587.68 × 2,902.81
  4. Step 4: Simplify right side
    3,077.95x = 13,317,172.51
  5. Step 5: Solve for x
    x = 13,317,172.51/3,077.95
  6. Step 6: Final answer
    x = 4,326.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.