Home / 1,612.49-2,225.25-904.32

Finding the Fourth Proportional to 1,612.49, 2,225.25 and 904.32

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Solution

The fourth proportional to 1,612.49, 2,225.25 and 904.32 is: 1,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.49 : 2,225.25 = 904.32 : x
  2. Step 2: Convert to fraction form
    1,612.49/2,225.25 = 904.32/x
  3. Step 3: Cross multiply
    1,612.49x = 2,225.25 × 904.32
  4. Step 4: Simplify right side
    1,612.49x = 2,012,338.08
  5. Step 5: Solve for x
    x = 2,012,338.08/1,612.49
  6. Step 6: Final answer
    x = 1,247.97

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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.