Home / 3,485.11-4,807.26-2,290.18

Finding the Fourth Proportional to 3,485.11, 4,807.26 and 2,290.18

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Solution

The fourth proportional to 3,485.11, 4,807.26 and 2,290.18 is: 3,159.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.11 : 4,807.26 = 2,290.18 : x
  2. Step 2: Convert to fraction form
    3,485.11/4,807.26 = 2,290.18/x
  3. Step 3: Cross multiply
    3,485.11x = 4,807.26 × 2,290.18
  4. Step 4: Simplify right side
    3,485.11x = 11,009,490.71
  5. Step 5: Solve for x
    x = 11,009,490.71/3,485.11
  6. Step 6: Final answer
    x = 3,159.01

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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.