Home / 2,900.19-4,350.60-925.35

Finding the Fourth Proportional to 2,900.19, 4,350.60 and 925.35

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Solution

The fourth proportional to 2,900.19, 4,350.60 and 925.35 is: 1,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.19 : 4,350.60 = 925.35 : x
  2. Step 2: Convert to fraction form
    2,900.19/4,350.60 = 925.35/x
  3. Step 3: Cross multiply
    2,900.19x = 4,350.60 × 925.35
  4. Step 4: Simplify right side
    2,900.19x = 4,025,827.71
  5. Step 5: Solve for x
    x = 4,025,827.71/2,900.19
  6. Step 6: Final answer
    x = 1,388.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.