Home / 2,925.76-4,384.14-2,046.40

Finding the Fourth Proportional to 2,925.76, 4,384.14 and 2,046.40

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Solution

The fourth proportional to 2,925.76, 4,384.14 and 2,046.40 is: 3,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.76 : 4,384.14 = 2,046.40 : x
  2. Step 2: Convert to fraction form
    2,925.76/4,384.14 = 2,046.40/x
  3. Step 3: Cross multiply
    2,925.76x = 4,384.14 × 2,046.40
  4. Step 4: Simplify right side
    2,925.76x = 8,971,704.10
  5. Step 5: Solve for x
    x = 8,971,704.10/2,925.76
  6. Step 6: Final answer
    x = 3,066.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.