Home / 1,703.60-2,547.30-1,266.20

Finding the Fourth Proportional to 1,703.60, 2,547.30 and 1,266.20

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Solution

The fourth proportional to 1,703.60, 2,547.30 and 1,266.20 is: 1,893.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.60 : 2,547.30 = 1,266.20 : x
  2. Step 2: Convert to fraction form
    1,703.60/2,547.30 = 1,266.20/x
  3. Step 3: Cross multiply
    1,703.60x = 2,547.30 × 1,266.20
  4. Step 4: Simplify right side
    1,703.60x = 3,225,391.26
  5. Step 5: Solve for x
    x = 3,225,391.26/1,703.60
  6. Step 6: Final answer
    x = 1,893.28

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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.