Home / 1,670.20-2,304.70-924.04

Finding the Fourth Proportional to 1,670.20, 2,304.70 and 924.04

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Solution

The fourth proportional to 1,670.20, 2,304.70 and 924.04 is: 1,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.20 : 2,304.70 = 924.04 : x
  2. Step 2: Convert to fraction form
    1,670.20/2,304.70 = 924.04/x
  3. Step 3: Cross multiply
    1,670.20x = 2,304.70 × 924.04
  4. Step 4: Simplify right side
    1,670.20x = 2,129,634.99
  5. Step 5: Solve for x
    x = 2,129,634.99/1,670.20
  6. Step 6: Final answer
    x = 1,275.08

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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.