Home / 3,355.40-4,631.64-2,030.24

Finding the Fourth Proportional to 3,355.40, 4,631.64 and 2,030.24

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Solution

The fourth proportional to 3,355.40, 4,631.64 and 2,030.24 is: 2,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.40 : 4,631.64 = 2,030.24 : x
  2. Step 2: Convert to fraction form
    3,355.40/4,631.64 = 2,030.24/x
  3. Step 3: Cross multiply
    3,355.40x = 4,631.64 × 2,030.24
  4. Step 4: Simplify right side
    3,355.40x = 9,403,340.79
  5. Step 5: Solve for x
    x = 9,403,340.79/3,355.40
  6. Step 6: Final answer
    x = 2,802.45

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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.