Home / 1,753.16-2,420.48-1,090.91

Finding the Fourth Proportional to 1,753.16, 2,420.48 and 1,090.91

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Solution

The fourth proportional to 1,753.16, 2,420.48 and 1,090.91 is: 1,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.16 : 2,420.48 = 1,090.91 : x
  2. Step 2: Convert to fraction form
    1,753.16/2,420.48 = 1,090.91/x
  3. Step 3: Cross multiply
    1,753.16x = 2,420.48 × 1,090.91
  4. Step 4: Simplify right side
    1,753.16x = 2,640,527.81
  5. Step 5: Solve for x
    x = 2,640,527.81/1,753.16
  6. Step 6: Final answer
    x = 1,506.15

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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.