Home / 2,639.04-3,641.65-2,358.37

Finding the Fourth Proportional to 2,639.04, 3,641.65 and 2,358.37

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Solution

The fourth proportional to 2,639.04, 3,641.65 and 2,358.37 is: 3,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.04 : 3,641.65 = 2,358.37 : x
  2. Step 2: Convert to fraction form
    2,639.04/3,641.65 = 2,358.37/x
  3. Step 3: Cross multiply
    2,639.04x = 3,641.65 × 2,358.37
  4. Step 4: Simplify right side
    2,639.04x = 8,588,358.11
  5. Step 5: Solve for x
    x = 8,588,358.11/2,639.04
  6. Step 6: Final answer
    x = 3,254.35

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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.