Home / 2,925.74-4,389.36-1,628.12

Finding the Fourth Proportional to 2,925.74, 4,389.36 and 1,628.12

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Solution

The fourth proportional to 2,925.74, 4,389.36 and 1,628.12 is: 2,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.74 : 4,389.36 = 1,628.12 : x
  2. Step 2: Convert to fraction form
    2,925.74/4,389.36 = 1,628.12/x
  3. Step 3: Cross multiply
    2,925.74x = 4,389.36 × 1,628.12
  4. Step 4: Simplify right side
    2,925.74x = 7,146,404.80
  5. Step 5: Solve for x
    x = 7,146,404.80/2,925.74
  6. Step 6: Final answer
    x = 2,442.60

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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.