Home / 1,554.10-2,144.07-924.65

Finding the Fourth Proportional to 1,554.10, 2,144.07 and 924.65

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Solution

The fourth proportional to 1,554.10, 2,144.07 and 924.65 is: 1,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.10 : 2,144.07 = 924.65 : x
  2. Step 2: Convert to fraction form
    1,554.10/2,144.07 = 924.65/x
  3. Step 3: Cross multiply
    1,554.10x = 2,144.07 × 924.65
  4. Step 4: Simplify right side
    1,554.10x = 1,982,503.61
  5. Step 5: Solve for x
    x = 1,982,503.61/1,554.10
  6. Step 6: Final answer
    x = 1,275.66

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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.