Home / 1,726.65-2,590.75-904.73

Finding the Fourth Proportional to 1,726.65, 2,590.75 and 904.73

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Solution

The fourth proportional to 1,726.65, 2,590.75 and 904.73 is: 1,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.65 : 2,590.75 = 904.73 : x
  2. Step 2: Convert to fraction form
    1,726.65/2,590.75 = 904.73/x
  3. Step 3: Cross multiply
    1,726.65x = 2,590.75 × 904.73
  4. Step 4: Simplify right side
    1,726.65x = 2,343,933.46
  5. Step 5: Solve for x
    x = 2,343,933.46/1,726.65
  6. Step 6: Final answer
    x = 1,357.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.