Home / 2,739.04-3,779.34-1,543.72

Finding the Fourth Proportional to 2,739.04, 3,779.34 and 1,543.72

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Solution

The fourth proportional to 2,739.04, 3,779.34 and 1,543.72 is: 2,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.04 : 3,779.34 = 1,543.72 : x
  2. Step 2: Convert to fraction form
    2,739.04/3,779.34 = 1,543.72/x
  3. Step 3: Cross multiply
    2,739.04x = 3,779.34 × 1,543.72
  4. Step 4: Simplify right side
    2,739.04x = 5,834,242.74
  5. Step 5: Solve for x
    x = 5,834,242.74/2,739.04
  6. Step 6: Final answer
    x = 2,130.03

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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.