Home / 2,037.20-3,048.60-1,864.40

Finding the Fourth Proportional to 2,037.20, 3,048.60 and 1,864.40

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Solution

The fourth proportional to 2,037.20, 3,048.60 and 1,864.40 is: 2,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.20 : 3,048.60 = 1,864.40 : x
  2. Step 2: Convert to fraction form
    2,037.20/3,048.60 = 1,864.40/x
  3. Step 3: Cross multiply
    2,037.20x = 3,048.60 × 1,864.40
  4. Step 4: Simplify right side
    2,037.20x = 5,683,809.84
  5. Step 5: Solve for x
    x = 5,683,809.84/2,037.20
  6. Step 6: Final answer
    x = 2,790.01

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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.