Home / 1,760.07-2,430.03-1,130.87

Finding the Fourth Proportional to 1,760.07, 2,430.03 and 1,130.87

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Solution

The fourth proportional to 1,760.07, 2,430.03 and 1,130.87 is: 1,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.07 : 2,430.03 = 1,130.87 : x
  2. Step 2: Convert to fraction form
    1,760.07/2,430.03 = 1,130.87/x
  3. Step 3: Cross multiply
    1,760.07x = 2,430.03 × 1,130.87
  4. Step 4: Simplify right side
    1,760.07x = 2,748,048.03
  5. Step 5: Solve for x
    x = 2,748,048.03/1,760.07
  6. Step 6: Final answer
    x = 1,561.33

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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.