Home / 2,064.48-2,848.06-1,225.22

Finding the Fourth Proportional to 2,064.48, 2,848.06 and 1,225.22

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Solution

The fourth proportional to 2,064.48, 2,848.06 and 1,225.22 is: 1,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.48 : 2,848.06 = 1,225.22 : x
  2. Step 2: Convert to fraction form
    2,064.48/2,848.06 = 1,225.22/x
  3. Step 3: Cross multiply
    2,064.48x = 2,848.06 × 1,225.22
  4. Step 4: Simplify right side
    2,064.48x = 3,489,479.71
  5. Step 5: Solve for x
    x = 3,489,479.71/2,064.48
  6. Step 6: Final answer
    x = 1,690.25

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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.