Home / 3,973.02-5,482.80-2,402.16

Finding the Fourth Proportional to 3,973.02, 5,482.80 and 2,402.16

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Solution

The fourth proportional to 3,973.02, 5,482.80 and 2,402.16 is: 3,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.02 : 5,482.80 = 2,402.16 : x
  2. Step 2: Convert to fraction form
    3,973.02/5,482.80 = 2,402.16/x
  3. Step 3: Cross multiply
    3,973.02x = 5,482.80 × 2,402.16
  4. Step 4: Simplify right side
    3,973.02x = 13,170,562.85
  5. Step 5: Solve for x
    x = 13,170,562.85/3,973.02
  6. Step 6: Final answer
    x = 3,315.00

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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.