Home / 3,032.02-4,547.58-840.28

Finding the Fourth Proportional to 3,032.02, 4,547.58 and 840.28

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Solution

The fourth proportional to 3,032.02, 4,547.58 and 840.28 is: 1,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.02 : 4,547.58 = 840.28 : x
  2. Step 2: Convert to fraction form
    3,032.02/4,547.58 = 840.28/x
  3. Step 3: Cross multiply
    3,032.02x = 4,547.58 × 840.28
  4. Step 4: Simplify right side
    3,032.02x = 3,821,240.52
  5. Step 5: Solve for x
    x = 3,821,240.52/3,032.02
  6. Step 6: Final answer
    x = 1,260.30

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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.