Home / 1,353.60-2,033.02-1,280.02

Finding the Fourth Proportional to 1,353.60, 2,033.02 and 1,280.02

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Solution

The fourth proportional to 1,353.60, 2,033.02 and 1,280.02 is: 1,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.60 : 2,033.02 = 1,280.02 : x
  2. Step 2: Convert to fraction form
    1,353.60/2,033.02 = 1,280.02/x
  3. Step 3: Cross multiply
    1,353.60x = 2,033.02 × 1,280.02
  4. Step 4: Simplify right side
    1,353.60x = 2,602,306.26
  5. Step 5: Solve for x
    x = 2,602,306.26/1,353.60
  6. Step 6: Final answer
    x = 1,922.51

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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.