Home / 1,570.60-2,345.09-1,541.80

Finding the Fourth Proportional to 1,570.60, 2,345.09 and 1,541.80

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Solution

The fourth proportional to 1,570.60, 2,345.09 and 1,541.80 is: 2,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.60 : 2,345.09 = 1,541.80 : x
  2. Step 2: Convert to fraction form
    1,570.60/2,345.09 = 1,541.80/x
  3. Step 3: Cross multiply
    1,570.60x = 2,345.09 × 1,541.80
  4. Step 4: Simplify right side
    1,570.60x = 3,615,659.76
  5. Step 5: Solve for x
    x = 3,615,659.76/1,570.60
  6. Step 6: Final answer
    x = 2,302.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.