Home / 1,345.02-2,017.51-371.10

Finding the Fourth Proportional to 1,345.02, 2,017.51 and 371.10

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Solution

The fourth proportional to 1,345.02, 2,017.51 and 371.10 is: 556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.02 : 2,017.51 = 371.10 : x
  2. Step 2: Convert to fraction form
    1,345.02/2,017.51 = 371.10/x
  3. Step 3: Cross multiply
    1,345.02x = 2,017.51 × 371.10
  4. Step 4: Simplify right side
    1,345.02x = 748,697.96
  5. Step 5: Solve for x
    x = 748,697.96/1,345.02
  6. Step 6: Final answer
    x = 556.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.