Home / 1,652.12-2,278.91-1,430.69

Finding the Fourth Proportional to 1,652.12, 2,278.91 and 1,430.69

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Solution

The fourth proportional to 1,652.12, 2,278.91 and 1,430.69 is: 1,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652.12 : 2,278.91 = 1,430.69 : x
  2. Step 2: Convert to fraction form
    1,652.12/2,278.91 = 1,430.69/x
  3. Step 3: Cross multiply
    1,652.12x = 2,278.91 × 1,430.69
  4. Step 4: Simplify right side
    1,652.12x = 3,260,395.20
  5. Step 5: Solve for x
    x = 3,260,395.20/1,652.12
  6. Step 6: Final answer
    x = 1,973.47

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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.