Home / 2,985.18-4,119.24-1,726.13

Finding the Fourth Proportional to 2,985.18, 4,119.24 and 1,726.13

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Solution

The fourth proportional to 2,985.18, 4,119.24 and 1,726.13 is: 2,381.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.18 : 4,119.24 = 1,726.13 : x
  2. Step 2: Convert to fraction form
    2,985.18/4,119.24 = 1,726.13/x
  3. Step 3: Cross multiply
    2,985.18x = 4,119.24 × 1,726.13
  4. Step 4: Simplify right side
    2,985.18x = 7,110,368.24
  5. Step 5: Solve for x
    x = 7,110,368.24/2,985.18
  6. Step 6: Final answer
    x = 2,381.89

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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.