Home / 1,453.60-2,004.87-929.35

Finding the Fourth Proportional to 1,453.60, 2,004.87 and 929.35

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Solution

The fourth proportional to 1,453.60, 2,004.87 and 929.35 is: 1,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.60 : 2,004.87 = 929.35 : x
  2. Step 2: Convert to fraction form
    1,453.60/2,004.87 = 929.35/x
  3. Step 3: Cross multiply
    1,453.60x = 2,004.87 × 929.35
  4. Step 4: Simplify right side
    1,453.60x = 1,863,225.93
  5. Step 5: Solve for x
    x = 1,863,225.93/1,453.60
  6. Step 6: Final answer
    x = 1,281.80

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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.