Home / 2,870.48-4,305.72-2,002.16

Finding the Fourth Proportional to 2,870.48, 4,305.72 and 2,002.16

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Solution

The fourth proportional to 2,870.48, 4,305.72 and 2,002.16 is: 3,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.48 : 4,305.72 = 2,002.16 : x
  2. Step 2: Convert to fraction form
    2,870.48/4,305.72 = 2,002.16/x
  3. Step 3: Cross multiply
    2,870.48x = 4,305.72 × 2,002.16
  4. Step 4: Simplify right side
    2,870.48x = 8,620,740.36
  5. Step 5: Solve for x
    x = 8,620,740.36/2,870.48
  6. Step 6: Final answer
    x = 3,003.24

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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.