Home / 1,532.32-2,110.80-1,345.12

Finding the Fourth Proportional to 1,532.32, 2,110.80 and 1,345.12

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Solution

The fourth proportional to 1,532.32, 2,110.80 and 1,345.12 is: 1,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.32 : 2,110.80 = 1,345.12 : x
  2. Step 2: Convert to fraction form
    1,532.32/2,110.80 = 1,345.12/x
  3. Step 3: Cross multiply
    1,532.32x = 2,110.80 × 1,345.12
  4. Step 4: Simplify right side
    1,532.32x = 2,839,279.30
  5. Step 5: Solve for x
    x = 2,839,279.30/1,532.32
  6. Step 6: Final answer
    x = 1,852.93

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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.