Home / 1,748.24-2,407.56-1,437.20

Finding the Fourth Proportional to 1,748.24, 2,407.56 and 1,437.20

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Solution

The fourth proportional to 1,748.24, 2,407.56 and 1,437.20 is: 1,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.24 : 2,407.56 = 1,437.20 : x
  2. Step 2: Convert to fraction form
    1,748.24/2,407.56 = 1,437.20/x
  3. Step 3: Cross multiply
    1,748.24x = 2,407.56 × 1,437.20
  4. Step 4: Simplify right side
    1,748.24x = 3,460,145.23
  5. Step 5: Solve for x
    x = 3,460,145.23/1,748.24
  6. Step 6: Final answer
    x = 1,979.22

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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.