Home / 3,014.30-4,159.69-1,688.01

Finding the Fourth Proportional to 3,014.30, 4,159.69 and 1,688.01

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Solution

The fourth proportional to 3,014.30, 4,159.69 and 1,688.01 is: 2,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.30 : 4,159.69 = 1,688.01 : x
  2. Step 2: Convert to fraction form
    3,014.30/4,159.69 = 1,688.01/x
  3. Step 3: Cross multiply
    3,014.30x = 4,159.69 × 1,688.01
  4. Step 4: Simplify right side
    3,014.30x = 7,021,598.32
  5. Step 5: Solve for x
    x = 7,021,598.32/3,014.30
  6. Step 6: Final answer
    x = 2,329.43

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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.