Home / 2,925.62-4,035.93-2,127.70

Finding the Fourth Proportional to 2,925.62, 4,035.93 and 2,127.70

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Solution

The fourth proportional to 2,925.62, 4,035.93 and 2,127.70 is: 2,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.62 : 4,035.93 = 2,127.70 : x
  2. Step 2: Convert to fraction form
    2,925.62/4,035.93 = 2,127.70/x
  3. Step 3: Cross multiply
    2,925.62x = 4,035.93 × 2,127.70
  4. Step 4: Simplify right side
    2,925.62x = 8,587,248.26
  5. Step 5: Solve for x
    x = 8,587,248.26/2,925.62
  6. Step 6: Final answer
    x = 2,935.19

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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.