Home / 3,032.19-4,547.91-840.99

Finding the Fourth Proportional to 3,032.19, 4,547.91 and 840.99

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Solution

The fourth proportional to 3,032.19, 4,547.91 and 840.99 is: 1,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.19 : 4,547.91 = 840.99 : x
  2. Step 2: Convert to fraction form
    3,032.19/4,547.91 = 840.99/x
  3. Step 3: Cross multiply
    3,032.19x = 4,547.91 × 840.99
  4. Step 4: Simplify right side
    3,032.19x = 3,824,746.83
  5. Step 5: Solve for x
    x = 3,824,746.83/3,032.19
  6. Step 6: Final answer
    x = 1,261.38

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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.