Home / 2,345.85-3,237.31-1,283.71

Finding the Fourth Proportional to 2,345.85, 3,237.31 and 1,283.71

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Solution

The fourth proportional to 2,345.85, 3,237.31 and 1,283.71 is: 1,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.85 : 3,237.31 = 1,283.71 : x
  2. Step 2: Convert to fraction form
    2,345.85/3,237.31 = 1,283.71/x
  3. Step 3: Cross multiply
    2,345.85x = 3,237.31 × 1,283.71
  4. Step 4: Simplify right side
    2,345.85x = 4,155,762.34
  5. Step 5: Solve for x
    x = 4,155,762.34/2,345.85
  6. Step 6: Final answer
    x = 1,771.54

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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.