Home / 3,095.40-4,643.26-904.30

Finding the Fourth Proportional to 3,095.40, 4,643.26 and 904.30

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Solution

The fourth proportional to 3,095.40, 4,643.26 and 904.30 is: 1,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.40 : 4,643.26 = 904.30 : x
  2. Step 2: Convert to fraction form
    3,095.40/4,643.26 = 904.30/x
  3. Step 3: Cross multiply
    3,095.40x = 4,643.26 × 904.30
  4. Step 4: Simplify right side
    3,095.40x = 4,198,900.02
  5. Step 5: Solve for x
    x = 4,198,900.02/3,095.40
  6. Step 6: Final answer
    x = 1,356.50

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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.