Home / 1,193.32-1,643.22-1,124.04

Finding the Fourth Proportional to 1,193.32, 1,643.22 and 1,124.04

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Solution

The fourth proportional to 1,193.32, 1,643.22 and 1,124.04 is: 1,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.32 : 1,643.22 = 1,124.04 : x
  2. Step 2: Convert to fraction form
    1,193.32/1,643.22 = 1,124.04/x
  3. Step 3: Cross multiply
    1,193.32x = 1,643.22 × 1,124.04
  4. Step 4: Simplify right side
    1,193.32x = 1,847,045.01
  5. Step 5: Solve for x
    x = 1,847,045.01/1,193.32
  6. Step 6: Final answer
    x = 1,547.82

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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.