Home / 2,924.56-4,386.02-1,280.73

Finding the Fourth Proportional to 2,924.56, 4,386.02 and 1,280.73

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Solution

The fourth proportional to 2,924.56, 4,386.02 and 1,280.73 is: 1,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.56 : 4,386.02 = 1,280.73 : x
  2. Step 2: Convert to fraction form
    2,924.56/4,386.02 = 1,280.73/x
  3. Step 3: Cross multiply
    2,924.56x = 4,386.02 × 1,280.73
  4. Step 4: Simplify right side
    2,924.56x = 5,617,307.39
  5. Step 5: Solve for x
    x = 5,617,307.39/2,924.56
  6. Step 6: Final answer
    x = 1,920.74

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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.