Home / 3,065.04-4,228.50-1,869.72

Finding the Fourth Proportional to 3,065.04, 4,228.50 and 1,869.72

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Solution

The fourth proportional to 3,065.04, 4,228.50 and 1,869.72 is: 2,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.04 : 4,228.50 = 1,869.72 : x
  2. Step 2: Convert to fraction form
    3,065.04/4,228.50 = 1,869.72/x
  3. Step 3: Cross multiply
    3,065.04x = 4,228.50 × 1,869.72
  4. Step 4: Simplify right side
    3,065.04x = 7,906,111.02
  5. Step 5: Solve for x
    x = 7,906,111.02/3,065.04
  6. Step 6: Final answer
    x = 2,579.45

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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.